Question

Mention the precaution to be taken in the experiment to find the focal length of the mirror and also prepare a table to note the readings in the experiment

Answer 1

Answer:

two precautions should need to followed while finding focus of the concave mirror are as follows :

1. Image should be formed point sized.

2. Object should need not be larger. Even we are supposed to take average of at least three focal lengths of a mirror.

Explanation: