Physics
Grade-8
Easy

Question

Assertion: Infrared radiation plays an important role in maintaining the average temperature of the Earth
Reason: Infrared radiation is sometimes referred to as heatwaves

  1. Assertion is correct, the reason is correct; the reason is a correct explanation for assertion.
  2. Assertion is correct, the reason is correct; the reason is not a correct explanation for assertion
  3. Assertion is correct; the reason is incorrect
  4. Assertion is incorrect; the reason is correct

hintHint:

Infrared rays helps in maintaing earths temperature, They are also called as heat waves.

The correct answer is: Assertion is correct, the reason is correct; the reason is not a correct explanation for assertion


    • Infrared waves helps in maintaining earth's temperature as they heat up the surface on which they fall.
    • Infrared rays are also called heat waves, as they heat up when they fall on a surface.

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