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avdhesh01:
, answer me is correct power is inversely proportional to focal length
sorry it's b
koi a bolta h or koi b
Correct is b
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option A convex lens of focal length 50cm
why i didn't understand
Ur answer is wrong dude
yes
Answered by
1
According to the formula
P= 1/f
So putting the values
A. P= 1/50 = 0.02dioptre
B. P = 1/5 = 0.2dioptre
So we can see that the power of second convex lens with focal length 5 cm has greater power
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