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A converging lens has a focal point of 3.54 cm. If you place an apple 15.5...

A converging lens has a focal point of 3.54 cm. If you place an apple 15.5 cm away from the lens, where would the image be formed?

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Answer #1

di = image distance

do = object distance

f = focal length

We use lens formula,

1/di - 1/do = 1/f

or, 1/di - 1/(-15.5 cm) = 1/(3.54 cm)

or, di = 4.59 cm

image is formed at 4.59 cm from the lens

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