UPSC NDA II 2014 General Ability Paper

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Question : 76 of 150

Marks: +1, -0

A ray of light travels from a medium of refractive index to a medium of refractive index n If angle of incidence is i and angle of refraction is r, then ‌‌

sini

sinr

is equal to

[NDA II 2014]

n1
n2
n2
n1
n1
n2

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