Physics-
General
Easy
Question
Two loops P and Q are made from a uniform wire. The radii of P and Q are r1 and r2 respectively, and their moments of inertia are I1 and I2 respectively. If I2 = 4I1 , then 
equals –
- 42/3
- 41/3
- 4–2/3
- 4–1/3
The correct answer is: 41/3
I = MR2 = (2RAd)R2
or I R3
or R I1/3
or 
= 
= 
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