Question:

The critical angle for a ray of light from glass to air is “θ” and refractive index of glass w.r.t. air is ‘n’. If a ray of light is incident from air to glass at angle ‘ θ ‘ then corresponding angle of refraction is:

Options :

  • (a) sin^-1(1/n)
  • (b) cos^-1(1/n)
  • (c) sin^-1(1/n^2)
  • (d) cos^-1(1/n^2)

Answer :

(c) sin-1(1/n2)

Answer Steps :

step 1

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