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SSC CPO 2020 PYQ — Question 92

SSC CPO - 25 Nov 2020 - Shift 2 • General Awareness • Q92

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_____ are also known as heat waves.

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Correct answer: C

Explanation

The correct answer is option 3 i.e. Infra-red waves

  • The Infra-red waves are waves having a wavelength longer than a visible light wave.
  • The wavelength infra-red waves are more than 700mn.
  • The infra-red waves are also known as heat waves.