Science, asked by rajshreeshreya63, 7 months ago

how to find out the focal length of a concave mirror quickly but appropriately.
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Answers

Answered by pgamerz650
1

Answer:

Drag the screen by clicking on point A of the screen till you get a sharp image of the object. Measure the distance between the concave mirror and the screen with given metre scale. This measured distance is focal lengthof concave mirror.

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