answer it 35th que fast
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Law of refraction
1. incident ray ,normal,refracted ray are lie on same plan
2. ratio of sin(i) ad sin(r) is constant
i.e. sini/sinr =constant
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Lens formula is
1/f = 1/v minus 1/u where
F is the focal length of the lens
v is the distance of the image from the lens
u is the distance of the object from the lens
Apply sign conventions
1/f = 1/v minus 1/u where
F is the focal length of the lens
v is the distance of the image from the lens
u is the distance of the object from the lens
Apply sign conventions
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