On a particular day when the atmpspheric temperature is 18.5^(@)C the dew point is found oo be 8.6^(@)C. Determine the relative humidity of the air if the maximum vapour pressure of water be 8.04, 8.61, 15.46 and 16.46mm at 8^(@), 9^(@), 18^(@) and 19^(@) respectively.

On a particular day when the atmpspheric temperature is 18.5^(@)C the

1.	On a particular day when the atmpspheric temperature is 18.5^(@)C the dew point is found oo be 8.6^(@)C. Determine the relative humidity of the air if the maximum vapour pressure of water be 8.04, 8.61, 15.46 and 16.46mm at 8^(@), 9^(@), 18^(@) and 19^(@) respectively.
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