# Light is travelling through air reaches quartz at an angle of incidence of 35°. The index of refraction of quartz is 1.54. At what angle of refraction does the light travel into the quartz?

1 answer

###### Question:

Light is travelling through air reaches quartz at an angle of incidence of 35°. The index of refraction of quartz is 1.54. At what angle of refraction does the light travel into the quartz?

## Answers

Answer:1.54 = sin 35/sin rsin r = 0.57/1.54 =0.37r = sin^-1( 0.37) =21.7°

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