An object 3.0cm high is placed 60.0cm from a converging lens whose focal length is 20.0cm. Calculate the size of the image formed

Assessment: JAMB UTME - Physics - 1987 Subject: Physics

Question 1 Report

An object 3.0cm high is placed 60.0cm from a converging lens whose focal length is 20.0cm. Calculate the size of the image formed
Answer Details
F =  U V U + V

20 =  60 × V 60 + V

V = 30cm

similarly,  U V  =  height of object height of image

60 30  =  3 h

h = 1.5cm

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