1.State the laws of refraction of light with two examples for refraction of light in daily life.
2.A convex lense of focal length is 10cm, calculate its power.
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1) (i) The Angle Of Incidence , The Angle Of Refraction, Point of Incidence and Normal to the Point of Incidence of two different medium lies on the same plane.
(ii) The Ratio of the sine of Angle of Incidence To The Sine of Angle of Refraction is a constant for a given pair of media and For a given color of light
2) f = 10cm = 0.1m
P = 1/f = 1/0.1 = 10D
Power of lens is +10D
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