The S.I. symbol for refractive index is n, the ratio of sine of
angle of incidence and sine of angle of refraction is always constant for the
light of specific colour and for the pair of given media.The constant n is called refractive index of the second
medium in relation to the first medium
sinisinr=n
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Q1
The S.I. symbol for refractive index is r
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Q2
Explain refractive index with example using sin I by sin r??
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Q3
A ray of light travels from a medium of refractive index n1 to a medium of refractive index n2. If angle of incidence is i and angle of refraction sin r, then sinisinr is equal to ________.