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FIITJEE (chat room )

Guy's This is the continuation of our chat room that we started on slack!

Note by Aniket Sanghi
10 months, 3 weeks ago

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http://chemistry.stackexchange.com/questions/27826/why-is-diborane-cleaved-symmetrically-by-trimethylamine-but-unsymmetrically-by-a

this is a jee question does anyone has any idea how this works?

Neelesh Vij - 9 months ago

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Hey guys which test series will you join apart from fiitjee?

i am preferring allen over resonance what do your guys think?

Neelesh Vij - 9 months, 1 week ago

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If online tests are okay for you, then: assuming you are in FIITJEE, you must be having access to myPAT - did you try them? Besides there is AIiTS, if you want to give tests comparable to JEE Advanced (unlike AITS!).

Besides, there's Embibe. [A note for Embibe: recently, they have started charging Embiums (virtual currency on Embibe that you can either purchase by real-world cash or earn by solving questions on Embibe) for various services on the site.]

Shubhamkar Ayare - 9 months ago

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I Dont have plans as such now .why do you need other test series?

Prakhar Bindal - 9 months, 1 week ago

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just asking...

Neelesh Vij - 9 months ago

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Hey Guys i have got a problem . In my CPP This problem doesnt have answer . can you guys solve and tell me the answer i am getting w = 2

A Particle is at the lowest point of a smooth wire frame in the shape of parabola lying in the vertical x-y plane having equation x^2 =5y (x,y are in meter) . after slight displacement particle is set free. find angular frequency of oscillation

take g = 10

@Aniket Sanghi @Rohit Kumar @Anubhav Tyagi @Archit Agrawal

Prakhar Bindal - 9 months, 4 weeks ago

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Bro! Do you have some good questions which are more easily solved by Energy method than Force method ?

I u have , then share some bro!

And I have got one good q , you may like to solve

This one

Aniket Sanghi - 9 months, 4 weeks ago

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By Energy Method , Answer is coming 2 .

Let me also try by Force Method .

Aniket Sanghi - 9 months, 4 weeks ago

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By Force method also , answer is coming 2.

But by Torque method , I dont think the answer will come easily!!!

Aniket Sanghi - 9 months, 4 weeks ago

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I am also getting 2...same approach

Samarth Agarwal - 9 months, 4 weeks ago

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I am also getting w as 2.

I used the approximation that for small displacement, tanz=b/a=a/5 where b and a are position coordinates of the particle at some instant and also that for small z,tanz is almost equal to z.

Harsh Shrivastava - 9 months, 4 weeks ago

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even i used the same approach

Prakhar Bindal - 9 months, 4 weeks ago

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Will solve it and tell

Anubhav Tyagi - 9 months, 4 weeks ago

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Hey guys how much did you got in AITS Part test 3 advanced?

today i attempted the paper at home at JEE Timings . i got 205/360 in it . what about you?

@Aniket Sanghi @Archit Agrawal @Anubhav Tyagi @Samarth Agarwal @Rohit Kumar

Prakhar Bindal - 10 months ago

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Can non 12th graders get these papers?

Harsh Shrivastava - 9 months, 4 weeks ago

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Yet to attempt bro

Anubhav Tyagi - 9 months, 4 weeks ago

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227

Archit Agrawal - 9 months, 4 weeks ago

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Cool so 227 was your score in AIITS?

How Much you got in AIITS Held on monday?

Prakhar Bindal - 9 months, 4 weeks ago

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@Prakhar Bindal I was also shaken Bro by hearing 227 in AIITS - 6 !!!!!!

Now , it's okay 227 in AITS is okay!

Aniket Sanghi - 9 months, 4 weeks ago

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@Aniket Sanghi same here how much did you socred in AITS 3?

Prakhar Bindal - 9 months, 4 weeks ago

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Bro ! Your score in AIITS 6 ?

Aniket Sanghi - 9 months, 4 weeks ago

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@Aniket Sanghi I didn't gave it.

Archit Agrawal - 9 months, 4 weeks ago

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@Archit Agrawal Oh ! Okay! Never Mind ! ☺

Any Special Reason?

Aniket Sanghi - 9 months, 4 weeks ago

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Have anyone downloaded the Full test 1 and 2 papers from net on 20th December . I forgot that time and now I am not getting that URL opened .

Help me Guys

@Prakhar Bindal @Archit Agrawal @Samarth Agarwal

Aniket Sanghi - 10 months ago

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http://aiits.fiitjee.com

Check out this link for the papers

Aniket Sanghi - 10 months ago

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Thanks a lot bro for the links i needed them desperately! :)

Prakhar Bindal - 10 months ago

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which full tests?

Neelesh Vij - 10 months ago

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Full test 1 and 2 that are to be downloaded from net .

Aniket Sanghi - 10 months ago

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@Aniket Sanghi oohhh..

Neelesh Vij - 10 months ago

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I Am not able to download that since last 2 days

Prakhar Bindal - 10 months ago

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Damn ..i also forgot

Samarth Agarwal - 10 months ago

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Has the results for NSEP, NSEC, NSEA declared? -@Prakhar Bindal

Anubhav Tyagi - 10 months ago

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nope who told you? it will be out in first week of jan

Prakhar Bindal - 10 months ago

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See inside question booklet- Its written list of students above having score above MAS will be displayed on 22 dec

Anubhav Tyagi - 10 months ago

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@Anubhav Tyagi I Know that but scoring above MAS Does not imply you qualify for INO's

Prakhar Bindal - 10 months ago

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@Prakhar Bindal But that information is sufficient bro at least to me as here scores are also displayed and practically 5 students used to get selected from here per exam !!

Aniket Sanghi - 10 months ago

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Hey guyz please help!

A uniform rod of mass m and length l is hinged about a point and is initially horizontal.Now the rod is released and it can rotate freely about an horizontal axis passing through A.

Find the tension in the midpoint of the rod when it becomes vertical.

My answer is not matching , I am getting 17/8 (mg) .I used integration.

Please help.

Thanks.

Harsh Shrivastava - 10 months ago

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Thus tension at topmost point,the point just below the hinge, comes out to be 3mg/2, but it not physically realisable,what say?

Harsh Shrivastava - 10 months ago

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those who are getting 17mg/8 would have ignored the weight of half rod while writing equilibrium equations

Prakhar Bindal - 10 months ago

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Edit:

I made a mistake, now I am getting 9mg/8 ,it seems to be correct since it is given in the option while rest of the answers, 13mg/8 and 17mg/8 are not in option.

Harsh Shrivastava - 10 months ago

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@Harsh Shrivastava \( \dfrac{9mg}{8}\) is the value excluding the weight of the half rod

Neelesh Vij - 10 months ago

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@Neelesh Vij What is the meaning of "excluding the wt if half rod"?

Harsh Shrivastava - 10 months ago

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@Harsh Shrivastava Tension in midpoint of rod = weight of the one half + centripetal force.

centripetal force comes out to be 9mg/8

Neelesh Vij - 10 months ago

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@Neelesh Vij Centripetal force 9mg/8?? havent you taken into account the hinge reaction?

Prakhar Bindal - 10 months ago

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@Prakhar Bindal hinge reaction!?

Neelesh Vij - 10 months ago

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@Neelesh Vij Yup there will be some hinge reaction too from the hinge on the rod

Prakhar Bindal - 10 months ago

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@Prakhar Bindal but what it has to do with tension in mid point ?

Neelesh Vij - 10 months ago

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@Neelesh Vij seems like we have solved the problem using different approaches

Prakhar Bindal - 10 months ago

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@Prakhar Bindal can you share yours?

Neelesh Vij - 10 months ago

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@Neelesh Vij Actually i have to leave now

Prakhar Bindal - 10 months ago

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@Harsh Shrivastava In writing equilibrium equation along the rod for the rod have you taken into account the weight of half rod??

Prakhar Bindal - 10 months ago

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@Neelesh Vij Yup indeed!

Prakhar Bindal - 10 months ago

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i am getting 13mg/8

Prakhar Bindal - 10 months ago

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I am also getting 17mg/8.

Archit Agrawal - 10 months ago

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@Archit Agrawal how much are you getting in AIITS?

Prakhar Bindal - 10 months ago

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@Prakhar Bindal N u?

Archit Agrawal - 10 months ago

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@Prakhar Bindal 227

Archit Agrawal - 10 months ago

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i am getting \( \dfrac{13mg}{8}\).

Used integration.

Neelesh Vij - 10 months ago

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Yes, it is 13mg/8.

Archit Agrawal - 10 months ago

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and do you feel some answers wrong?

Prakhar Bindal - 10 months ago

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I do

Aniket Sanghi - 10 months ago

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@Aniket Sanghi What did you did for that q whose answer is not given in phy?

Prakhar Bindal - 10 months ago

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@Prakhar Bindal Answer correction phy I feel

7 BC Int 4 - 5

Aniket Sanghi - 10 months ago

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@Aniket Sanghi I agree with you

Anubhav Tyagi - 10 months ago

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@Aniket Sanghi i got 1 to integer 4 and 7 i agree BC

In Math matrix 4 last 2 parts seem to be wrong

In chem many seem to be wrong

Prakhar Bindal - 10 months ago

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@Prakhar Bindal I agree i chem as well

Anubhav Tyagi - 10 months ago

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@Anubhav Tyagi which ones and what is yours and rohit's score?

Prakhar Bindal - 10 months ago

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@Aniket Sanghi Sorry bro @Aniket Sanghi Mom called me (you know if i would have not gone then.....)

Prakhar Bindal - 10 months ago

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@Aniket Sanghi ????????

Aniket Sanghi - 10 months ago

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@Aniket Sanghi yup me too!

Prakhar Bindal - 10 months ago

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You also commited silly errors bro?

Prakhar Bindal - 10 months ago

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Actually yes + some concepts I need to learn like H2S ones

Aniket Sanghi - 10 months ago

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@Aniket Sanghi yup me too

Prakhar Bindal - 10 months ago

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What's your score ?

Aniket Sanghi - 10 months ago

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Mine score is 158

Anubhav Tyagi - 10 months ago

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@Anubhav Tyagi ohh cool i have shitted myself with 170

Prakhar Bindal - 10 months ago

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@Prakhar Bindal Subject wise score?

Anubhav Tyagi - 10 months ago

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@Anubhav Tyagi Yours?

Prakhar Bindal - 10 months ago

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@Prakhar Bindal C-12 M-70 P-76

Anubhav Tyagi - 10 months ago

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@Anubhav Tyagi Ohh nice in p and m +1

Prakhar Bindal - 10 months ago

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@Anubhav Tyagi C-47 M-59 P-65

Prakhar Bindal - 10 months ago

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@Prakhar Bindal 47 in chem and you were not able to do it?

Anubhav Tyagi - 10 months ago

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@Prakhar Bindal Anyone else you know?

Anubhav Tyagi - 10 months ago

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@Anubhav Tyagi nope

Prakhar Bindal - 10 months ago

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@Prakhar Bindal Which answers do you feel are wrong ?

Anubhav Tyagi - 10 months ago

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@Anubhav Tyagi Many in chem i wasnt able to do chem

Prakhar Bindal - 10 months ago

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and do you feel someanswers are wrong?

Prakhar Bindal - 10 months ago

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My is very very bad . i messed up my paper with loads of silly errors . whats yours?

Prakhar Bindal - 10 months ago

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Sup?

Harsh Shrivastava - 10 months ago

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Good.But I will watch TKSS after 9:30 pm :)

Harsh Shrivastava - 10 months ago

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Nothing seeing Masterchef india sydney special :P

Prakhar Bindal - 10 months ago

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So i am not alone who watches masterchef :p

Samarth Agarwal - 10 months ago

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@Samarth Agarwal yup even i thought the same! :P lol

Prakhar Bindal - 10 months ago

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you guys started a new chatroom ?

Rohit Kumar - 10 months ago

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Hey guys how much are u all getting in today's aits? @Prakhar Bindal @Aniket Sanghi

Samarth Agarwal - 10 months ago

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Guys how was AITS? @Samarth Agarwal @Aniket Sanghi @Rohit Kumar @Anubhav Tyagi

Prakhar Bindal - 10 months ago

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U appeared for the test?

Samarth Agarwal - 10 months ago

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@Samarth Agarwal But i know one person's score . he is a good friend of mine

he is getting 220 in mains and 189 in advance

Prakhar Bindal - 10 months ago

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@Samarth Agarwal Nope :P

Prakhar Bindal - 10 months ago

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@Prakhar Bindal Hey...can u give me ur contact no...pls

Samarth Agarwal - 10 months ago

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@Samarth Agarwal Ohh give me your mail

Prakhar Bindal - 10 months ago

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Comment deleted 10 months ago

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@Samarth Agarwal check your mail

Prakhar Bindal - 10 months ago

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@Prakhar Bindal Not got anything

Samarth Agarwal - 10 months ago

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@Samarth Agarwal i have sent bro

Prakhar Bindal - 10 months ago

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@Prakhar Bindal Sahi id par bheja :p....still got nothing

Samarth Agarwal - 10 months ago

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@Samarth Agarwal setu.samarth@gmail.com

Prakhar Bindal - 10 months ago

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anubhav didn't come for advanced. I am getting little less than 140 in advanced. Prashant is getting more than 180 in advanced. Better watch out for him next time.

Rohit Kumar - 10 months ago

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@Rohit Kumar Yup Just missed it due to illness

Anubhav Tyagi - 10 months ago

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@Anubhav Tyagi k so coming today?

Prakhar Bindal - 10 months ago

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@Prakhar Bindal Are you? I am coming

Anubhav Tyagi - 10 months ago

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@Anubhav Tyagi Aaj to ana he padega party deni hai

Prakhar Bindal - 10 months ago

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@Prakhar Bindal Are bhai ka b'day hai. Happy B'Day bhai

Anubhav Tyagi - 10 months ago

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@Anubhav Tyagi Abe saale 13th ko tha party aaj dunga

Prakhar Bindal - 10 months ago

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@Prakhar Bindal Are happy belated b'day

Anubhav Tyagi - 10 months ago

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@Anubhav Tyagi Thank you! :)

Prakhar Bindal - 10 months ago

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@Rohit Kumar How about in mains?@Rohit Kumar

Prakhar Bindal - 10 months ago

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@Rohit Kumar Yup cool!

Prakhar Bindal - 10 months ago

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WBU?

Prakhar Bindal - 10 months ago

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0

Prakhar Bindal - 10 months ago

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U didnt gave the test?!

Samarth Agarwal - 10 months ago

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@Samarth Agarwal Yup

Prakhar Bindal - 10 months ago

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@Prakhar Bindal Ohk..i m getting 195 :/

Samarth Agarwal - 10 months ago

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@Samarth Agarwal ohh cool

Prakhar Bindal - 10 months ago

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Sadly 130 in advance ✔✔

Satyam Tripathi - 10 months, 1 week ago

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How much score u all are getting in aits??

Satyam Tripathi - 10 months, 1 week ago

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i did not gave this AITS Due to KVPY Camp at IISER Kolkata

what was your score in AITS-1 Or the recent AIITS-5?

Prakhar Bindal - 10 months, 1 week ago

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Hii guys I am from fiitjee lko

Satyam Tripathi - 10 months, 1 week ago

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Hi Iko?

Aniket Sanghi - 10 months, 1 week ago

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Hello!.

Prakhar Bindal - 10 months, 1 week ago

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How to improve chemistry??

I really suck at it and it always pulls my rank down a lot.

We have just started organic chemistry.

Help please!

Harsh Shrivastava - 10 months, 1 week ago

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and if you keep away FIITJEE AITS Organic chemistry is the most scoring part of chemistry along with inorganic.

Prakhar Bindal - 10 months, 1 week ago

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Organic chemistry takes a lot of time and patience to master.

In beginning i also faced this problem but fortunately we were given sufficient time to revise it again and again. in beginning you will forget reagents named reactions will remind you of biology.

Just one advice do GOC Properly . It is the KEY For ORGANIC.

I Had to do it again in march this year coz i didn't studied it properly in 11th .

Prakhar Bindal - 10 months, 1 week ago

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Thanks, but I am asking about inorganic and physical chemistry, please help.

Harsh Shrivastava - 10 months, 1 week ago

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@Harsh Shrivastava Inorganic i cant say. i am myself learning it.

For physical i dont feel there is much problem.

Physical is just like know some formulae and concept and apply them to problems thats all!.

which part of physical are you facing problem?

Prakhar Bindal - 10 months, 1 week ago

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@Prakhar Bindal Gaseous state .

Harsh Shrivastava - 10 months, 1 week ago

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@Harsh Shrivastava Gaseous state? . that seems odd.

Real gases (theoretical part) is a bit tough to understand. rest its a simple formula application chapter

Prakhar Bindal - 10 months, 1 week ago

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How was AITS? @Aniket Sanghi @Archit Agrawal

Prakhar Bindal - 10 months, 2 weeks ago

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Problem

I got value of w as \[\sqrt{\dfrac{20\sqrt{3}}{4-\sqrt{3}}}\]

Is this exact value correct?

Harsh Shrivastava - 10 months, 2 weeks ago

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Hey guys @Aniket Sanghi @Archit Agrawal @Samarth Agarwal @aryan goyat

Check out my set all problems posted by me

Prakhar Bindal - 10 months, 3 weeks ago

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Guys scores in today's Aiits?

Prakhar Bindal - 10 months, 3 weeks ago

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My score 175 with this answer key

Answer keys I feel are wrong - [ My SET A]

  1. Chem that graph one (ABCD) (+3)
  2. That SCl2 (OCH3)2 one (ABC) (+3)
  3. That density one density is not acceptable (bonus +3)
  4. That electfonegativity one (ABC) (+3)

Maths

  1. Maths that cos[pi/x]cos () one 1 (ABC)(as x tends to zero the cos tends to 0 (second cos) ) (+3)
  2. Match f (x) = that sin [] that long one . I got discontinuous at 5 points . (+2)
  3. Int 1.that f(x) = X sin (quadratic ) one . I got at 5 points (as it was cont. At -1,0,1,2. (+6)
  4. Int 8(that f (x) = xln^2x one. Ans 1 (+6)

Physics

  1. That mgcotx and mgtanx one (+3)
  2. That ring one (BC) (+3)
  3. That particle velocity and acc (Only A) (+3)
  4. That int of pulleys ans 16 (bonus +4)
  5. Ans omega finding one answer 20. (Bonus +4) .

If I consider these all then my score (at max) can be 221.

Your arguments ? Where am I wrong?

@Prakhar Bindal @Archit Agrawal

Aniket Sanghi - 10 months, 3 weeks ago

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And bro math integer 1 function is discontinuous at x = 1 check again!

Prakhar Bindal - 10 months, 3 weeks ago

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@Prakhar Bindal Agreed . Did a mistake took that outer x as [x] .Finally cold and cough showed it's effect.

Aniket Sanghi - 10 months, 3 weeks ago

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@Aniket Sanghi Bro my cold and cough is also continued. PPM Level in delhi still above the danger mark

Prakhar Bindal - 10 months, 3 weeks ago

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@Prakhar Bindal Oh! Sad ! Future of world getting smoggy!

Aniket Sanghi - 10 months, 3 weeks ago

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@Aniket Sanghi .

I Agree with all of your chemistry problems i got exactly the same answers as you got Hifi!!!

Math 1st one yeah i too got ABC

Q2 Dont know

Q3 No i think its correct. i got 6 in the exam

Q4 I Too got 1

Physics

I Agree with first 4

But in last i think omega is correct

Prakhar Bindal - 10 months, 3 weeks ago

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My 183 from this key n I think some ans are wrong. N share your scores

Archit Agrawal - 10 months, 3 weeks ago

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If all these keys are corrected then your score @Archit Agrawal?

Prakhar Bindal - 10 months, 3 weeks ago

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@Prakhar Bindal 201

Archit Agrawal - 10 months, 3 weeks ago

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Answers which i feel are wrong are

Chemistry (graph ones ) should be ABCD

H2O2 One should be bonus density cant be 26.5

OCH3 One about incorrect statements i got ABC To that

Physics

Wedge one where mgcotx is given but mg/tanx is not

integer physics one in which velocity was asked it was turning out to be 16 but i ticked 4

Prakhar Bindal - 10 months, 3 weeks ago

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@Prakhar Bindal Yep that density one also , I felt that error!!

Aniket Sanghi - 10 months, 3 weeks ago

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@Prakhar Bindal Phy multiple choice Q6 ans must be only A Maths int Q4 it must be 1

Archit Agrawal - 10 months, 3 weeks ago

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@Archit Agrawal Yeah what's yr score in olympiad ( nsep , nsec, nsea )

Aniket Sanghi - 10 months, 3 weeks ago

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@Archit Agrawal Yup A Only i didn't do Q4 Of math

Prakhar Bindal - 10 months, 3 weeks ago

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N @Archit Agrawal How much r u getting in olympiads?

Prakhar Bindal - 10 months, 3 weeks ago

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My 174 from this key

Prakhar Bindal - 10 months, 3 weeks ago

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Why do we not talk on slack now?

Samarth Agarwal - 10 months, 3 weeks ago

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My slack app doesn't work. I deleted it .

Aniket Sanghi - 10 months, 3 weeks ago

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@Prakhar Bindal @Archit Agrawal @Gauri shankar Mishra @neelesh vij @Samarth Agarwal and all others invited!

Aniket Sanghi - 10 months, 3 weeks ago

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@aryan goyat

Aniket Sanghi - 10 months, 3 weeks ago

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How yo join this community?

Shravani Sardeshpande - 3 months, 2 weeks ago

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