Assertion (A) : The capacity of air to hold water vapours depends on the temperature of that air.…
The moisture-holding capacity of air (governed by saturation vapour pressure) depends directly on air temperature, so Assertion (A) is correct. Reason (R) is wrong because…
Choose your answer
Assertion (A) : The capacity of air to hold water vapours depends on the temperature of that air.
Reason (R) : When temperature increases and decreases, the capacity to hold humidity decreases and increases respectively.
Answer and explanation
Correct answer C
The moisture-holding capacity of air (governed by saturation vapour pressure) depends directly on air temperature, so Assertion (A) is correct. Reason (R) is wrong because there is a positive relationship between temperature and humidity capacity: when air temperature increases, its moisture-holding capacity increases, and when temperature decreases, its capacity decreases. Thus, "(A) is correct, (R) is wrong."
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