The refractive index of a medium is defined as the ratio of

Options

  • A. Speed of light in medium to speed in vacuum
  • B. Speed of light in vacuum to speed in medium
  • C. Frequency in vacuum to frequency in medium
  • D. Wavelength in medium to wavelength in vacuum
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. Speed of light in vacuum to speed in medium

Detailed Explanation

Refractive index n is defined as the speed of light in vacuum divided by its speed in the medium.

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BPSC TRE 4 General Science practice set 2

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