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For particular value of angle of incidence, angle of refraction becomes
If angle of incidence lsquo;i&rsquo increases, angle of refraction lsquo;r&rsquo
If i is angle of incidence, r is angle of refraction and n is constant then sin i/sin r = n is known as
Ratio of sin (x°) of angle of incidence to sin (x°) of angle of refraction is
If a ray of light enters from air into glass, angle of incidence formed is 30° and refractive index of glass is 1.52, then angle of refraction should be
Ratio of sine of angle of incidence lsquo;i’ to sine of angle of refraction lsquo;r’ is always equal to
For refraction of light, angle of incidence must be

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