Question

1. Describe a method to measure the focal length of a
concave mirror.​

Answer 1

Answer:

To determine focal length of a given concave mirror

To obtain a clear, sharp image the screen should be adjusted. Using a metre scale the distance between the concave mirror and screen can be determined. The distance is the same as the focal length of the given concave mirror...

Answer 2

Answer:

Explanation:

HEY THERE............

HERE IS YOUR ANSWER..............

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☜☆☞ Any parallel beam of light falling on the mirror,will get focused at the focal point.The distance between the mirror and the focal point gives the focal length of the mirror.

HOPE MY ANSWER HELPS YOU............

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