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Question

A solid cube is subjected to a pressure of (5×105N/m2). Each side of the cube is shortened by then volumetric strain and Bulk modulus of the cube are

A
0.03,5×105N/m2
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B
0.03,1.67×107N/m2
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C
3,1.67×107N/m2
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D
0.01,1.67×107N/m2
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Solution

The correct option is A 0.03,5×105N/m2
P=5×105N/m2, let initial side=a
V=a3
Shortened side=0.99a
Shortened volume=(0.99)3a3
B=VPvV×5×105a3(1(0.99)3)5×1050.030166.66×1051.67×107N/m3
vV=0.03 Volumetric strain.

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