Home Physics Elasticity ( Mechanical Properties of Solids ) Rigidity Modulus Mark the wrong statement
Physics Elasticity ( Mechanical Properties of Solids ) Rigidity Modulus MCQ (Single Correct)

Mark the wrong statement

A
Sliding of molecular layer is much easier than compression or expansion
B
Reciprocal of bulk modulus of elasticity is called compressibility
C
It is difficult to twist a long rod as compared to small rod
D
Hollow shaft is much stronger than a solid rod of same length and same mass

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Text Solution

Verified by Experts
The correct answer is:
C

For twisting, Angle of shear

i.e. if L is more then will be small.

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