The moment of inertia of a rod about its perpendicular bisector is I . When the…
Physics · Class 11 · CBSE — System of Particles and Rotational Motion
The moment of inertia of a rod about its perpendicular bisector is I. When the temperature of the rod is increased by ΔT, the increase in the moment of inertia of the rod about the same axis is
(Here, α is the coefficient of linear expansion of the rod)
(Here, α is the coefficient of linear expansion of the rod)
- aIDT
- 2aIDT
Answer
(B) 2 a I D T
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