Physics Elasticity Question 22
Question: A ball falling in a lake of depth 200 m shows 0.1% decrease in its volume at the bottom. What is the bulk modulus of the material of the ball
[AFMC 1997]
Options:
A) $ 19.6\times 10^{8},N/m^{2} $
B) $ 19.6\times {{10}^{-10}},N/m^{2} $
C) $ 19.6\times 10^{10},N/m^{2} $
D) $ 19.6\times {{10}^{-8}},N/m^{2} $
Show Answer
Answer:
Correct Answer: A
Solution:
$ B=\frac{\Delta p}{\Delta V/V}=\frac{h\rho g}{0.1/100}=\frac{200\times 10^{3}\times 9.8}{1/1000} $
$ =19.6\times 10^{8}N/m^{2} $
BETA
