Multiple choice

Directions: Consider the following statements:

  1. Your feet feel warmer on a rug or carpet than on a tiled floor because a rug is a better conductor than a tile.
  2. Heaters are placed on the floor because of convection currents.

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
B Correct answer
Explanation

Statement (1) is wrong. Rug or carpet acts as an insulator. It does not conduct the heat of the floor to the feet. Statement (2) is correct. Convection is the flow of heat through a bulk, macroscopic movement of matter from a hot region to a cool region.

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