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A converging lens and a screen are placed 20 cm and 80 cm respectively...

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Question 1055
A
1 cm
B
9cm
C
12cm
D
15cm
Explanation
\(\frac{v}{u} = \frac{hi}{ho} = \frac{60}{20} = \frac{hi}{3}\)

hi = 9cm

Correct option: B

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