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QNEET-2022-Ph-443: NEET 2022 Physics - Class 11 NEET-2022-Ph-443 Solution: The ratio of the radius of gyration of a thin uniform disc…
The ratio of the radius of gyration of a thin uniform disc about an axis passing through its centre and normal to its plane to the radius of gyration of the disc about its diameter is 2:1 4:1
Multiple Choice Options
- A 2:01
- B 2 _ : 1
- C 4:01
- D 1 : 2 _
Step-by-Step Verified Solution
l 1 = M R 2 2
k 1 = l 1 M
= R 2
l 2 = M R 2 4
k 2 = l 2 M
= R 2
k 1 k 2 = R 2 R 2
= 2 : 1