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akash kashyp Grade: Upto college level
        

 



-by what persentage should the pressure of  given mass of gas be increased,so as to reduce its volume by10%,at const temp



-if the error in measurement of the momentum is (+100)then the error in the measurement of kinectic energy is?

8 years ago

Answers : (3)

Rohith Gandhi
24 Points
										

Dear Akash,


Firstly thanks for posting here. here's the solution


 


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Please feel free to post as many doubts on our discussion forum as you can. If you find any question
Difficult to understand - post it here and we will get you the answer and detailed solution very quickly. We
are all IITians and here to help you in your IIT JEE preparation.


All the best Akash !!!




Regards,

Askiitians Experts

Rohith Gandhi P

8 years ago
akash kashyp
8 Points
										the answers dosent match both questions 


answers are a)11.11 b)300%

i got first one but i didnt get second please help
8 years ago
Rohith Gandhi
24 Points
										

Dear Akash,


K1/K2 = P1^2/P2^2


 


(P2-P1)/P1*100 = 100 => p2 - p1 = p1 => p2 = 2p1


=>k1/k2 = p1^2/4p1^2 = 1/4


=> k2 = 4k1


=> k2-k1 = 3k1 =>(k2-k1)/k1*100 = 300%


Please feel free to post as many doubts on our discussion forum as you can. If you find any question
Difficult to understand - post it here and we will get you the answer and detailed solution very quickly. We
are all IITians and here to help you in your IIT JEE preparation.


All the best Akash !!!




Regards,

Askiitians Experts

Rohith Gandhi P

8 years ago
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