Question

Define the principal focus of a concave mirror​

Answer 1

Answer:

Hey mate

It is a point on the principal axis where a beam of light parallel to the principle axis after reflection actually meets.

Hope it will be helpful to uhh

Thanks (◍•ᴗ•◍)❤

Answer 2

Explanation:

It is a point on the principal axis where a beam

of light parallel to the principle axis after

reflection actually meets.