Home Physics Thermometry, Thermal Expansion and Calorimetry NCERT Examplar The radius of a metal sphere at room tempera…
Physics Thermometry, Thermal Expansion and Calorimetry NCERT Examplar MCQ (Single Correct)

The radius of a metal sphere at room temperature T is R and the coefficient of linear expansion of the metal is . The sphere heated a little by a temperature so that its new temperature is . The increase in the volume of the sphere is approximately:

A
B
C
D

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Text Solution

Verified by Experts
The correct answer is:
D

Let the radius of the sphere is R. As the temperature increases radius of the sphere increases.

Original volume
Coefficient of linear expansion
Coefficient of volume expansion

Increase in the volume

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