Though water is transparent to visible light, it is not possible to see distant objects in fog which consists of fine drops of water. This is so because

Asked In Exam: BPSC TRE 2.0

Options

  • A. Fine drops of water are opaque to visible light
  • B. Most of the light is scattered to create apparent opacity
  • C. Light rays suffer total internal reflection and so are unable to reach observer's eyes
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. Most of the light is scattered to create apparent opacity

Detailed Explanation

Fine water droplets in fog scatter visible light in many directions, reducing visibility and producing apparent opacity.

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BPSC TRE 4 General Science practice set 2

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