Q.

A copper cube of each side of length 1 cm is subjected to a pressure of 100 atmospheres. Find the change in its volume if the bulk modulus of copper is 1.4×1011Nm2 . (Atmospheric pressure=1×105Nm2 )

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a

0.4143×1010m3

b

0.7143×1010m3

c

0.8243×1010m3

d

0.5143×1010m3

answer is A.

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Detailed Solution

K =P VV 

V =PVK  =100×105×10-61.4×1011=0.7143×10-10 

 

 

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