Physics Thermometry, Thermal Expansion and Calorimetry Thermal Expansion MCQ (Single Correct)

Expansion during heating –

A
occurs only in a solid
B
increases the density of the material
C
decreases the density of the material
D
occurs at the same rate for all liquids and solids.

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The correct answer is:
C

On heating expansion occurs and volume of substance increases while mass of the substance

remains the same. Hence the density will decrease

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