Question

Two circular loops of radii R and nR are made of wires of the same material and cross section.

Their moments of inertia about their transverse symmetry axis are in the ratio 1 : 8, respectively.

n is equal to
A)2
B)4
C)6
D)8​

Answer 1

C) 6 is correct ..........

Answer 2

Answer:

A) 2

Explanation:

I/I =1/8

mass per unit length will be alpha

1/n3=1/8

n=2