Physics Elasticity Question 41

Question: For a given material, the Young’s modulus is 2.4 times that of rigidity modulus. Its Poisson’s ratio is

[EAMCET 1990; RPET 2001]

Options:

A) 2.4

B) 1.2

C) 0.4

D) 0.2

Show Answer

Answer:

Correct Answer: D

Solution:

$ Y=2\eta (1+\sigma ) $

$ 2.4\eta =2\eta (1+\sigma )\Rightarrow 1.2=1+\sigma \Rightarrow \sigma =0.2 $