Q 20 At what distance the object should be placed so that the image will be formed at a - Science - Light - Reflection and Refraction

Question

Q 20 At what distance the object should be placed so that the image
will be formed at a distance 10 cm from a concave lens? Focal
length of the lens is 20 cm

Decoder_2 · Accepted Answer

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Q.20. At what distance the object should be placed so that the image will be formed at a distance 10 cm from a concave lens? Focal length of the lens is 20 cm.