Multiple choice

Relative humidity of a room is 50% at temperature 30°C. What will happen to it if the temperature increases to 400C?

  1. It will increase.

  2. It will decrease.

  3. It will remain unchanged.

  4. It may increase or decrease depending upon the volume of the room.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Relative humidity is the ratio of actual water vapor to the maximum vapor the air can hold at that temperature. When temperature increases, the air's capacity to hold water vapor increases significantly. If moisture content stays the same, the ratio (relative humidity) decreases.