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The radius of gyration of a disc of mass...

The radius of gyration of a disc of mass 100 g and radius 5 cm about an axis pasing through centre of gravity and perpendicular to the plane is

A

3.54 cm

B

1.54 cm

C

4.54 cm

D

2.5 cm

Text Solution

Verified by Experts

The correct Answer is:
A
As `K=(R)/(sqrt(2))=(5)/(sqrt(2))=3.54cm`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 04-PAPER 1 (PHYSICS & CHEMISTRY)
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