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Questions  

What will be the ratio of increase in the volume of two uniform copper rods of length and radii in ratio 1: 2 and 2: 1 respectively which are heated to same temperature

a
1 : 2
b
2 : 1
c
1 : 1
d
4 : 1

detailed solution

Correct option is B

v1=π2r2l=4πr2lv2=πr2(2l)=2πr2l

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Similar Questions

A vessel having coefficient of cubical expansion γg contains liquid Of coefficient of real expansion rR up to certain level. When Vessel
Is heated, match column I and column II.
 

 Column - I Column - II
aγg<γRpliquid level rises continuously from beginning
bγg=γRqliquid level falls continuously from beginning
cγg>γRrliquid level remains same 
dγg=0sliquid level first falls and then rises 
 
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1srqp
2srpq
3qrsp
4rqps


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