An object is placed 20cm from a concave mirror of focal length 10cm. The linear magnification of the image produced is?

By: |Published on: Nov 1|Categories: Physics JAMB| 0 comments

A. 0
B. 12
C. 1
D. 2

Correct Answer:

Option C = 1

Explanation

I/V = 1/f – 1/u
I/V = 1/10 – 1/20

I/V = 1/20

V = 20cm.

M = V/U
= 20/20
= 1

 

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