Question

what are the 4 rules of concave mirror?

Answer 1

Answer:

They are:

1. Any incident ray traveling parallel to the principal axis on the way to the mirror will pass through the focal point upon reflection.
2. Any incident ray passing through the focal point on the way to the mirror will travel parallel to the principal axis upon reflection.

Answer 2

Answer:

Explanation:

They are: Any incident ray traveling parallel to the principal axis on the way to the mirror will pass through the focal point upon reflection. Any incident ray passing through the focal point on the way to the mirror will travel parallel to the principal axis upon reflection.