Practice question
Question
What happens to the volume of an ideal gas if its temperature is doubled at constant pressure?
Explanation
For an ideal gas at constant pressure, Charles’ Law states that volume is directly proportional to absolute temperature. If temperature doubles, volume doubles. As per NCERT, applying relevant law/formula with correct units and sign convention leads to It halves. This satisfies dimensional consistency and physical conditions given, so option A is scientifically correct.
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