power of lens is +10 D. find its focal length. what is what kind of lens is this?
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Answered by
10
Lens which must be used is convex lens
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50
we know the formula
power = 1/focal length
10 = 1/f
f = 1/10 = .1 m
i took it as meter cuz in this types of problems it is in meter
it is a convex lens becuz the focal length of a convex mirror is always positive and that of concave is always negative
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pmtibrahim18:
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