A metallic solid sphere is rotating about its diameter as axis of rotation. If the temperature is increased by 200°C, the percentage increase in its moment of inertia is : (coefficient of linear expansion of the metal = 10-5/°C)
A. 0.1
B. 0.2
C. 0.3
D. 0.4
Answer:D
A metallic solid sphere is rotating about its diameter as axis of rotation. If the temperature is increased by 200°C, the percentage increase in its moment of inertia is : (coefficient of linear expansion of the metal = 10-5/°C)
A. 0.1 B. 0.2 C. 0.3 D. 0.4