Science, asked by lingarajlingaraj1855, 3 months ago

if the radius of curvature of a lens is 30cm,then what is itsfocal length

Answers

Answered by deoskaratharv04

0

Answer:

which lens? concave or convex?

Answered by Emmanuelfernandes

1

Answer:

15

Explanation:

radius = 2 focal length

30 = 2 f

30/2 = f

15 = f

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