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Question

The Vander waal's equation for ideal gas is given by (p+aV2)(Vb)=RT where P is pressure, V is volume a and b are constants, R is universal gas constant and T is absolute temperature. Then the dimensions of ab are same as that of:

A
Force
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B
Momentum
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C
Energy
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D
Power
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Solution

The correct option is D Energy
av2=P=M1L1T2a=M1L5T2
BShouldhavedimensionofVVolume
So,ab=(M1L5T2)L3=M1L2T2
Force=M1L1T2
Momentum=M1L1T1
Energy=M1L2T2
Power=M1L2T3
Option C is correct.

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