Question

Which of the following statements are True?

• A. Cold air exerts more pressure than warm air.
• B. Cold air exerts pressure equal to that of warm air.
• C. Cold air exerts lesser pressure than warm air.
• D. Cold air exerts no pressure at all.

Answer 1

The correct option is A

Cold air exerts more pressure than warm air.

Cold air exerts more pressure that warm air because the moloecules of cold air are huddled together closely making it denser where as in warm air, they are lighter and more dispersed. Denser air exerts more pressure compared to lighter air, hence cold air has more pressure.