Practice question
Question
Which law explains why the volume of a gas increases when its temperature rises at constant pressure?
Explanation
Charles’ Law states that at constant pressure, the volume of a gas is directly proportional to its absolute temperature (V/T = constant, Section 10.4). As per NCERT, applying relevant law/formula with correct units and sign convention leads to Charles’ Law. This satisfies dimensional consistency and physical conditions given, so option B is scientifically correct.
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