Question

15. Mark the wrong statement<br />(a) Sliding of molecular layer is much easier than<br />compression or expansion.<br />(b) Reciprocal of bulk modulus of elasticity is called<br />compressibility.<br />(c)it is difficult to twist a long rod as compared to small rod<br />(d) Hollow shaft is much stronger than a solid rod of same<br />length and same mass.​

Answer 1

According to me the wrong statement should be c) as it is difficult to twist a small rod.

Answer 2

Answer:

c is incorrect statement

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