Relative humidity

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increases with increased temperature

decreases with increased temperature

decreases with decreased temperature

has no relation with increase or decrease of temperature

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Answer is Wrong!

This question was previously asked in

UPSC CAPF – 2011

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Relative humidity decreases with increased temperature, assuming the absolute amount of water vapour in the air remains constant.

Relative humidity is defined as the ratio of the partial pressure of water vapour to the equilibrium vapour pressure of water at a given temperature. The equilibrium vapour pressure (the maximum amount of water vapour the air can hold) increases significantly with increasing temperature.

If the amount of water vapour in the air stays the same, but the temperature rises, the air’s capacity to hold water vapour increases. This means the actual vapour content becomes a smaller percentage of the maximum possible content, resulting in a decrease in relative humidity.

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