A spherical ball contracts in volume by 00.01% when subjected to a normal uniform pressure of 100 atmospheres. The bulk modulus of its material in dyne/cm 2 is
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a
10 x 1012
b
100 x 1012
c
1x 1012
d
2.0 x 1011
answer is C.
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Detailed Solution
B=P/ΔVVGiven that (ΔV/V)=0⋅01%=0⋅01×10−2P=100×1⋅01×105N/m2=1⋅01×108 dyne /cm2∴ B=1⋅01×108/0⋅01×10−2≈1×1012 dynes /cm2