Find the power of a concave lens of focal length 2 m.
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Answered by
12
power =1/frequency
power =1/-2
power = - 0.5 dioptres
power =1/-2
power = - 0.5 dioptres
Answered by
8
power =1/frequency
power =1/-2
power = - 0.5 dioptres
power =1/-2
power = - 0.5 dioptres
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