A converging lens has a focal length of 5cm. Determine its power.

By: |Published on: May 22|Categories: Physics WAEC| 0 comments

A. +20.0
B. +0.2
C. -20.00
D. -0.2

Correct Answer: Option A

A. +20.0

Explanation

p = 100/f=100/+5

=+20

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