Focal length of a lens whose power is - 1. 5 d
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Answer:
F= - 2/3m
Explanation:
Power =1/focal length in metre.
Focal length =1/power
F= - 1/1.5
F= - 2/3m
Hope you understand.
Answered by
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Power =1/focal length in meter
P=1/f
P=1/-1.5
P= -2.3
.....hope u liked it...thanku
P=1/f
P=1/-1.5
P= -2.3
.....hope u liked it...thanku
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