Physics, 25.05.2021 08:30, rocio5649

A candle is kept at 40 cm from a screen. A lens was placed between screen and candle to get real image magnified twice. What was the focal length of lens? a:6
b:12
c:9
d:5

Answers: 3

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A candle is kept at 40 cm from a screen. A lens was placed between screen and candle to get real image magnified twice. What was the focal length of lens? a:6 b:12 c:9 d:5

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A candle is kept at 40 cm from a screen. A lens was placed between screen and candle to get real image magnified twice. What was the focal length of lens? a:6
b:12
c:9
d:5