A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm2 and a volume of 0.039 m3 at 150 kg/cm2. The bulk modulus of elasticity of liquid is
A. 400 kg/cm2
B. 4000 kg/cm2
C. 40 × 105 kg/cm2
D. 40 × 106 kg/cm2
Answer: Option B
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P1=150
P2=50
V1=.04
V2=.39
Ans=dp/(dv/v)