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State difference between a convex and …

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State difference between a convex and concave lens

Posted by Vibhuti Kumari 7 years, 6 months ago

CBSE > Class 07 > Science

1 answers

Yogita Ingle 7 years, 6 months ago

Convex lens converges a straight beam of light while concave lens diverges it.
A convex lens is thicker at the centre and gets thinner as it moves towards the image, whereas, a concave lens is thinner at the centre with increasing area as it moves towards the edges.
A concave lens will always produce diminished, upright and virtual image of the object in front of it. But the nature of the image produced by a these lens depends upon the position of the object. It can form both real and virtual images depending on where the light is coming from.

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