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0 votes
in Physics by (442 points)
edited by

Find the power of a convex lens of focal length 1.75 meters.

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3 Answers

0 votes
by (120 points)
Formula to be used,

Power = 1 / focal length(m)

Therefore, Power of convex lens = 1 / 1.75 = 4/7 = +0.59 D
0 votes
by (213 points)

Upper answer is corret

0 votes
by (46.0k points)

Power of a convex line P = 1/ focal length (m)

= 1/1.75

= + 0.57 D

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