If the focal length of a concave mirror is 50cm find the power of the lens
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Answered by
0
Answer:
-2 is right answer of this question
Answered by
1
Answer:
the formula of power of lens is 1/f
so the f is focal lenth i.e 50cm .and if the focal lenth is in cm. then its formula is 100/f
so, 100/50=2
it's answer is 2.
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