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i need answer for the question which is in image format please check the attached image.

  1. i need answer for the question which is in image format please check the attached image.

Question Image
Grade:12

1 Answers

Shoubhik
26 Points
4 years ago
For angle of refraction, we have:
Sin \theta =\frac{\mu _{2}}{\mu _{1}}
Where: \mu _{2} is refractive index of water.
           \mu _{1} is refractive index of air.
Solving, we get
 \theta = Sin^{-1}\frac{\mu _{2}}{\mu_{1}}
\theta =37^{o}

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