The coefficient of viscosity for hot air is: - Vidyadip

MCQ

The coefficient of viscosity for hot air is:

✓
Greater than the coefficient of viscosity for cold air.
B
Smaller than the coefficient of viscosity for cold air.
C
Same as the coefficient of viscosity for cold air.
D
Increases or decreases depending on the external pressure.

✓

Answer

Correct option: A.

Greater than the coefficient of viscosity for cold air.

For gases, viscosity increases with temperature.

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