Home Physics Transmission of Heat Convection Radiation, Stefen's Law and Wein's Law In natural convection a heated portion of a …
Physics Transmission of Heat Convection Radiation, Stefen's Law and Wein's Law MCQ (Single Correct)

In natural convection a heated portion of a liquid moves because-

A
Its molecular motion becomes aligned
B
Of molecular collisions within it
C
Its density is less than that of the surrounding fluid
D
Of currents of the surrounding fluid

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Text Solution

Verified by Experts
The correct answer is:
C

Natural convection occurs due to gravity.

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