what is the difference between lenses and mirrors.?
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what is the difference between lenses and mirrors.?
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Mirror :
It has only one surface which reflects light.
It follows the laws of reflection.
Mirror formula is 1 /f = 1 /v +1/u
Lens :
It has two surfaces, which one or both can refract write.
It follows the law of refraction
lens formula is 1/f =1/v - 1/u