Multiple choice

Consider the following statements:

  1. In refrigerator, the heat engine works in backward direction.
  2. The temperature of the upper part of the flame is more than the temperature on the sides.

Which of the given statements is/are correct?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Statement 1 is correct. Refrigerator is an apparatus, which takes heat from a cold body, and work on it. Statement 2 is also correct. The temperature of the upper part of the flame is more than the temperature on the sides because the currents of air carry the heat upwards.

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