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For the same angle of incidence the angl...

For the same angle of incidence the angles fo refreaction in media P,Q ,R and S are `50^(@) ,40^(@),30^(@),20^(@)` respectively the speed of lights is minimum in medium

A

P

B

Q

C

R

D

S

Text Solution

Verified by Experts

The correct Answer is:
S
The speed of light reduces when it travels from rarer to densere medium
when light travels from rarer to denser medium it bendds towards athe normal
thus speed of light is minimum when it bends maximum towards the normal for same angle of incidence i.e andgle of refraction is least so angle of refraction is least i.e `20^(@)` in medium s
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