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when a ray of light is incident on a glass block at 30 degree to the refracting surface find the angle of incidence

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Respuesta :

honeyheinhtet1

Answer:

r = 30, i = ?,

the refractive index is 1.5

Explanation:

By Snell's law,

n = sin i / sin r

sin i = n × sin r

sin i = 1.5 × sin 30

i = 48.6

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