Question

A narrow beam of light is incident at 5353 angle made with normal on a glass plate of refractive index 1.61.6. If the thickness of the plate is 20mm20mm. Calculate the shift of the beam.

Answer 1

Answer:

ans. below

Explanation:

n sin r =  sin i

sin r = sin 53.53/1.616  

r = 29.84°

shift =