Condition for no deviation when light travels from one medium to another is a) angle of incidence is zero b) refractive index of two media must be same
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a
a is only true
b
b is only true
c
a & b are both false
d
a & b are both true
answer is D.
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Detailed Solution
For different media, if i=0 then angle of refraction is also zeroFor two media of different refractive index, no deviation takes placea & b are both true