
Interpretation :
Relative humidity on a cold winter day is only 5 % inside the room and 50 % outside the room. The correct reason must be chosen from the given list.
Concept Introduction :
Relative humidity is a type of humidity at a particular temperature which is measured by taking the ratio of water vapor present in air to the water vapor required for saturation.
It can change with temperature.

Answer to Problem 12E
Correct answer: Option C is correct.
Explanation of Solution
Reason for correct option:Option C is correct becauserelative humidity depends on temperature. So for higher temperature amount of water vapor required for saturation of the air is more. Thus inside the room, relative humidity is 5 % whereas relative humidity outside the room is 50 %.
Reasons for incorrect options:Option A is incorrect as it must not be raining outside.
Option B is incorrect as it must not be snowing outside.
Option D is incorrect as heater cannot make the difference in relative humidity of inside and outside the room to this level.
Chapter U3 Solutions
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