Hello everybody!

I've qualified KVPY Stage-1 and it's stage-2 i.e interview round is on 2nd Feb. I just needed some help from you guys regarding what type of questions may be asked from subjects- Physics , Chemistry and Mathematics.

Please share some interesting and brainy questions with/without answers below the subject heads in the comments section !

**Example:** What happens to the time period of a simple pendulum when a small hole is made at the bottom of the bob filled with water?

**Answer:** Center Of Gravity shift down due to the leak and thus the effective length increases. Thus, the time period first increases and then goes back to its initial value.

PS: Questions regarding deep understanding of topics are most welcome!

Thanks!

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## Comments

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TopNewestd\dx(x+x+x+.....x times)=d\dx(x^2)=2x d\dx(x)+d\dx(x)+......=1+1+1+......x times =x ???????????

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Answer please.

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PHYSICS QuestionsLog in to reply

Can negative mass exist? and yeah Congratulations.

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Let me make a guess? Is negative mass a hypothetical concept? And yeah, thanks! :D

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MATHEMATICS QuestionsLog in to reply

CHEMISTRY QuestionsLog in to reply

Here I go.

(IME 2013)Draw the structural formulas of all possible benzene-derived compounds such that: i) 1 mole of the compound has 16 g rams of oxygen and 7 moles of carbon; ii) carbon corresponds to 77,78% of the compound's mass; iii) in 21,6 grams of the compound there is 1,6 gram of hydrogen.Log in to reply

anisole and cresol

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HEY PRIYANSH I HAVE MY INTERVIEW ON 17 PLEASE POST YOUR EXPERIENCE IN THIS (OR OTHER ) NOTE . PLS

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hey @Priyansh Sangule tell me about your interview. mine is on 17 feb. pls reply

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guys i have my interview next week can you help me out???

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Hello sir I am in class 12th and my classes are just started , I want to ask I have to give kvpy before my final 12 th class exam or after the 12 th class final exam .

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