Physics Elasticity Question 45
Question: Mark the wrong statement
[MP PMT 2003]
Options:
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
Show Answer
Answer:
Correct Answer: C
Solution:
For twisting, Angle of shear $ \varphi \propto \frac{1}{L} $ i.e. if L is more then $ \varphi $ will be small.
BETA
