Multiple choice

When the door of refrigerator is kept open the temperature of air in the room will

  1. increase

  2. decrease

  3. remain constant

  4. first decrease then increase
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Due to isothermal contraction of the refrigerator gas, heat is liberated into the surroundings, i.e. in room. So, the temperature of the room will increase.

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