Question

conduction experiment to fine the focal length of concave mirror​

Answer 1

Explanation:

Conduct an experiment to find the focal length of a concave...

-Hold a concave mirror perpendicular to the ---direction of sunlight.

-Take a small paper and slowly move it in front of the mirror and find out the point where you get -smallest and brightest spot.

This is the image of the sun.

The rays coming from sun parallel to the concave mirror are converging at a point

Answer 2

Answer:

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