how are lenses made thin???which type of lenses are used in spectcales???in what way are lenses adjusted in spectacles ???also,state any 4 differences between lens and mirror???
Asked by | 21st Mar, 2012, 11:23: AM
Both convex and concave type of lenses are used in the spectcales. They are adjested according to the problem in the eye of that particular person.
Lenses works on refraction and mirrors works on reflection.
Answered by | 21st Mar, 2012, 11:45: AM
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