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SSC CGL 2021 PYQ — Question 45

SSC CGL - 24 Aug 2021 - Shift 3 • General Awareness • Q45

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In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
John was an artist (1)______ profession. He was very (2)______ at his work and could
(3)______ any subject he could think of, but circumstances forced him to (4)______ in
(5)______ the work of renowned artists.

Which phenomenon deals with the scattering of light by molecules of a medium when they are excited to vibrational energy levels?

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Correct answer: C

Explanation

The correct answer is option 3 i.e. Raman Effect

Raman Effect:

  • The Raman Effect is the phenomenon of scattering of light by molecules present in a medium.​ 
  • It states that there is a change in the wavelength of light that occurs when a light beam is deflected by molecules.
  • This is caused due to the molecules of gases, liquids, or solids when they are excited to vibrational energy levels.
  • Raman effect is also known as Raman scattering.