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JEE Main Physics Class 11 System of Particles and Rotational Motion Part 3 Questions
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Question : 21
Total: 43
A ring and a solid sphere rotating about an axis passing trough their centers have same radii of gyration. The axis of rotation is perpendicular to plane of ring. The ratio of radius of ring to that of sphere is
√
2
x
. The value of
x
is _______.
[6-Apr-2023 shift 2]
Your Answer:
Validate
Solution:
👈: Video Solution
Given radius of gyration is same for ring and solid sphere
K
R
=
K
s
s
R
R
=
√
2
5
R
s
s
or
R
R
R
s
s
=
√
2
5
therefore
x
=
5
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