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Refraction at Curved Surfaces

Two lenses of...

Question

Two lenses of power +15 D and -5 D are in contact with each other forming a combination of lenses. Now, an object of size 3 cm is placed at 30 cm from this combination of lens. Calculate the position and size of the image formed.

A

15 cm, 10 cm

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B

15 cm, 1.5 cm

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C

1.5 cm, 10 cm

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D

10 cm, 15 cm

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Solution

The correct option is B 15 cm, 1.5 cm

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