Question

Which of the following statement(s) is/are true?

Q: Answer-Which of the following statement(s) is/are true? I. Air expands on heating II. The warm air is hea...

Warm air is lighter than the cold air. When air gets heated up it expands, occupies a larger volume and becomes less dense than the air surrounding it. Hence, the warm air rises and the cold air descends.

I. Air expands on heating II. The warm air is heavier than the cold air

A Neither I nor II

B Both I and II

C Only I

D Only II

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Which of the following statement(s) is/are true?

Solution

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