What is the focal length of a lens, whose power is given as +2.0 D
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Focal length f= 1/p So according to the question power is +2.0 D f= 1/2.0 = 0.5 m In centimeter the focal length is 50cm. it means that it is biconvex lens having focal length 50 cm.
Answered by
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Answer:
F = 0.5 m
Explanation:
P= 1/f
F = 1 / P
= 1/2
= 0.5 m
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