A point object is placed at a distance of 60 cm from a convex lens of focal length 30 cm. If a plane mirror were put perpendicular to the principal axis of the lens and at a distance of 40 cm from it, the final image would be formed at a distance of -

20 cm from the plane mirror, it would be a virtual image.

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A convex lens 'A' of focal length 20 cm and a concave lens 'B' of focal length 5 cm are kept along the same axis with a distance 'd' between them. If a parallel beam of light falling on 'A' leaves 'B' as a parallel beam, then the distance 'd' in cm will be :

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NEET Lenses practice

What visitors can use on this page

NEET Lenses practice FAQ

Prepare together, not alone

NEET Lenses practice

What visitors can use on this page

NEET Lenses practice FAQ