एक लेंस की क्षमता -4.5D है, इस लैंस की फोकस दूरी क्या होगी?
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Answered by
4
Answer:
-0. 22m
Explanation:
power= -4.5D
power= 1/f
where f is the focus
-4.5D = 1/f
f= 1/-4.5
f = -0.22m
Hope it helps you!!
Answered by
0
Answer:
answer -0.22 this is Anwer this quotation
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