power of lens is -40 what is its focal length
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Answered by
2
Power of lens = 1 / focal length
-40 = 1 / f
f = 1 / - 40
= - 0.025
[ Please mark this answer as brainliest answer]
-40 = 1 / f
f = 1 / - 40
= - 0.025
[ Please mark this answer as brainliest answer]
Answered by
2
Answer:
Power of lens = 1 / f
1/ -40 = (-0.025)
Hope it help to u plz thank my answer.
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