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Types of spherical lenses

A parallel be...

Question

A parallel beam of light rays travelling parallel to principal axis after passing through the lens actually meet. This phenomena happens for which type of lens?

A

Concave

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B

Convex

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C

Bipolar

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D

Cylindrical

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Solution

The correct option is C Convex
Convex lense is a converging lens in which Parallel light rays beam travel parallel to principal axis after passing through the lens and converge at one point called the principal focus.
Correct answer is (b).

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