Science, asked by zainabmuhd267, 5 months ago

Light spreads out in all directions from a bulb. Suggest how a converging lens can be used in a theatre spotlight to make a parallel beam of light.​

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Answers

Answered by heer5786
10

Answer:

When a bulb is placed at focus of converging lens then the light rays of bulb from focus will get refracted from the convex lens and become to parallel to principal.

Explanation:

ray parallel to the principal axis will go straight

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