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  9. Q89

OPSC OCS 2019 · Question 89 of 99

The blue color of water in the sea is due to:

General Studies

  1. AReflection of blue sky by seawater
  2. BReflection of blue light by impurities in seawater
  3. CScattering of blue light by water moleculesCorrect
  4. DAbsorption of other colors except for blue by water molecules

Answer: C. Scattering of blue light by water molecules

Explanation

and D But D is more accurate The ocean is blue because water absorbs colors in the red part of the light spectrum. Like a filter, this leaves behind colors in the blue part of the light spectrum for us to see.

Source: OPSC OCS Prelims 2019 GS Paper-I; answers per hemunda.com unofficial key

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