in what way is concave lens used by dentists?
Asked by | 1st Apr, 2008, 09:46: AM
A concave mirror is one whose reflecting surface is towards the centre of the sphere of which the mirror is part. it is like forming a cave sort of thing
A convex mirror is one whose reflecting surface is away from the centre of sphere of which the mirror is part.
Answered by | 22nd May, 2008, 04:11: PM
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