Physics, asked by anshika579, 11 months ago

define the principal focus of a concave mirror​

Answers

Answered by vaishnavi4890
7

Answer:

The point on the principal Axis at which all the rays are parallel and close to the principal Axis meet after reflection from the concave mirror is called principal focus.

Answered by Anonymous
1

Explanation:

When a ray of light parallel to the principal axis falls on the reflecting surface of a concave mirror then it is reflected to intersect the principal axis at focus

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