Question

What distance should an object be place from a converging lens of focal length 15 cm to obtain an image three times the size of the object​

Answer 1

Answer:

at 20 cm (for real image), at 10 cm (for virtual image)]

Answer 2

Explanation:

The object should be placed between 15cm and 30 cm( Between f and 2f) from the converging lens to obtain a real and magnified image

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