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A convex lens forms a real …

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A convex lens forms a real and inverted image of a needle at a distance of 20 cm from it. Where is the needle placed infront of the convex lens if the image is equal to the size of the object ? Also find the power of the lens.

Posted by Freddy Mon 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Dhairya Sharma? 4 years, 1 month ago

The needle should be placed at 2F1 to form an image of the same size.... The power of lens is +1D

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CBSE > Class 10 > Science