Science, asked by baki62, 11 months ago

a ray of light makes an angle of 50 with the surface S1 of the glass slab, it's angle of incidence will be??

Answers

Answered by anne94

It's angle of incidence will be

90°- 50°=40°

Komalshinchan35: Could you expelenation please

anne94: the normal makes angle of 90° with the glass slab.. but the incidwnt ray makes an angle of 50° with the glass slab... therefore angle of glass slab with normal = angle of incident ray with glass slab + the angle of incidence ... therefore..90°- 50°=40°

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