Science, asked by neelam99396, 3 months ago

22. Briefly describe how you would find the focal length of a concave mirror quickly but approximately

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Answered by Anonymous

1

Answer:

The sharp image of window or tree will be formed at the focus of the concave mirror. That is the distance of image or screen from the concave mirror will be equal to the focal length of concave mirror. This distance can be measured with a scale. It will give us the approximate focal length of the concave mirror.

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