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# Swapnil's Message board- III

Hi!

Due to excess comments in the last messageboard, I thought of posting the third version of it. Feel free to ask me questions or talk to me about any random topic. I would be happy if you discuss mathematics problems with me.

Regards,

Swapnil Das.

Note by Swapnil Das
1 year, 3 months ago

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Do you like Pigeons? · 1 year, 3 months ago

Lol no. · 1 year, 3 months ago

Why? They are so simple and soft... · 1 year, 3 months ago

They had done something strange on my head :P · 1 year, 3 months ago

Could the master provide a solution? · 2 months, 1 week ago

i'm no master :p the q is a little hint: tricky think in the terms of relative motion · 2 months, 1 week ago

(https://brilliant.org/problems/maximum-energy/?ref_id=1322810)[Link] · 2 months, 1 week ago

If you get time, please share the InPhO paper. Thanks. · 2 months, 3 weeks ago

Bhaina, I need your help again :P

You just passed 11th, didn't you? If you could remember, what were the chapters of Mathematics phase test 1? · 1 month, 2 weeks ago

Basic mathematics(functions,limits,derivatives,integration),Trigonometry...That was enough to trouble us in the reshuffling test. · 1 month, 2 weeks ago

Why do they keep Calculus in Phase test 1? · 1 month, 2 weeks ago

Oh phase test had basic maths,trigonometry,straight lines and circles.The calculus part is just an intro..Nothing much.Its generally taken up in class 12 · 1 month, 2 weeks ago

Basic math includes set, function, relation and logs? · 1 month, 2 weeks ago

Bhaina could you please provide some advice for NSEP and NSEA to this poor guy? :P · 1 month, 3 weeks ago

Knowing that you're certain of qualifying KVPY, do you give more importance to JEE or IPhO > · 1 month, 2 weeks ago

IPHo was the main priority in class 11(I read so much maths and physics that my Chem marks were surprisingly less).So This time I will have balanced approach towards both. · 1 month, 2 weeks ago

Hari Bola, Jai Jagannath Thank you lol :P · 1 month, 2 weeks ago

I had a personal question, feel free to ignore if you don't like.

What's your aim in life? What do you want to become? · 1 month, 3 weeks ago

Well.Pretty much I want to do research in mathematical physics/or Theoretical physics....Although I haven't explored much fields.But I would do research over corporate sector ...I like physics a lot and the use of mathematics just adds more to my interest.....But still I feel its quite hard to predict now. · 1 month, 3 weeks ago

Our interests match so much! I was recently exploring mathematical physics and found that it's much more of mathematics than physics. Theoretical physics is much better, but I don't qualify as of the IQ required. · 1 month, 3 weeks ago

What do you exactly mean by the IQ required????Some areas of physics do require heavy maths like string theory or relevant super symmetric ones(super string theory is what we say),Quantum mechanics(equations relating the strong coupling of quantum systems are mathematically quite challenging).But earlier both physicists and mathematicians tended to be the same.But it was the unprecedented developments that took place in math(although they were also in physics)that these two seemed to diverge..prediction of laws of nature(is want theoriticial physicists do) and explaining those through equations and their modelling(this is dealt in mathematical physics).Do search for "Edward Witten".The only physicist to win a fields medal. · 1 month, 3 weeks ago

• By 'IQ required', I think that I'm not intelligent enough to deal with such prestigious and challenging areas of physics.

• I know Ed Witten from Class 6th :P

· 1 month, 3 weeks ago

Kindly delete the following accounts, as they do not serve any particular purpose:

· 2 months, 1 week ago

If you own those accounts, you can deactivate them yourself.

For privacy reasons, we do not edit account details without further collaboration about ownership. Staff · 2 months ago

I owned them back in 2013-14. The emails got hacked and passwords lost, forcing me to create a new account. · 2 months ago

In that case, just ignore them then. Staff · 2 months ago

Happy advanced B'day, Sir! · 2 months, 4 weeks ago

@Pranshu Gaba Which branch did you take at the IISc? · 8 months, 1 week ago

There is just one branch in IISc for the first three semesters (1.5 years) in the undergraduate program. We have six courses for the each of the first three semesters: Physics, Chemistry, Biology, Mathematics, Engineering and Humanities. After three semesters, we will choose one of these subjects as a major and one subject as a minor. · 8 months, 1 week ago

What are you plans? What will you take? · 8 months, 1 week ago

Right now, I think I will take either Maths or Physics as major and biology as minor. However, I still have a lot of time to decide, and my preference changes very frequently. I have no idea what i'll end up taking. · 8 months, 1 week ago

I would really appreciate if you reply to this very question of mine. - Do photons possess mass?

It might be that they don't have rest mass, but have relativistic mass. Or do they don't have both?

@Michael Mendrin · 9 months, 1 week ago

There was a time when physicists weren't sure if neutrinos had mass. Now not only we know they do, we know that neutrinos have "oscillating" mass, i.e., can vary over time, not related to relativistic effects. Unlike neutrinos, however, photons are still considered to be true massless particles. There are very few "true massless particles", the other two being the gluon and the graviton. All three are gauge bosons, respectively of the electromagnetic, strong force, and gravitational forces. Because they have no rest mass, they always travel at the speed of light in free space. All other particles that have a rest mass can be found to be traveling at considerably less than speed of light in free space.

Physics experiments have been done where light travels very slowly, but not in free space. · 9 months, 1 week ago

Thanks a lot! · 9 months, 1 week ago

@Otto Bretscher Happy Birthday! · 1 year ago

Thanks, but it's not my birthday, actually ;) · 1 year ago

LOL, I suddenly I saw a change in your profile to 60. When is your B'day? I want to wish you. · 1 year ago

That change happened a few month ago, on January 27 ;) I usually spend my b-days with the Compañeros in Cuba, but this year, for the special occasion, we went to Alhambra, Granada, Al-Andalus, the most magnificent complex of buildings I have ever seen. · 1 year ago

Aww, I missed it :( · 1 year ago

Better late than never; I appreciate the thought. I can't wait to receive your message next year, in Havana, Cuba. What about your own b-day, Comrade? · 1 year ago

I am born on the 5th of December, it was very kind of you to ask me, Sir :) · 1 year ago

@Otto Bretscher Heppy Bday comrade! · 1 year ago

Did you know that he had is B'day? · 1 year ago

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What if I add the condition : If $$xyz=1$$ to the problem? Will the answer be correct then? · 1 year, 1 month ago

@Matt DeCross Would you do like to post some problems on thermodynamics? It shall be greatly appreciated, Thanks! · 1 year, 2 months ago

So, allow me to launch a topic for discussion, a number theory problem. This was the problem I had doubt in, but was unfortunately unable to get a nice solution. Can anyone provide one? · 1 year, 3 months ago