A converging lens and a screen are placed 20 cm... - WAEC Physics 2008 Question
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
A
1 cm
B
9cm
C
12cm
D
15cm
Ask EduPadi AI...
Correct Option: B
(\frac{v}{u} = \frac{hi}{ho} = \frac{60}{20} = \frac{hi}{3})
hi = 9cm
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