A converging lens and a screen are placed 20 cm and 80 cm respectively from an object in a straight line so that a sharp image of the object is formed on the screen. If the object is 3cm high. Calculate the height of the image formed

by | May 19 | Physics WAEC | 0 comments

A. 1 cm
B. 9cm
C. 12cm
D. 15cm

Correct Answer: Option B

B. 9cm

Explanation

v/u=hi/ho=60/20=hi/3

hi = 9cm

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