Which one of the following statements is correct?

Options

A. a The image formed by a concave mirror for an object
lying at inginity is at the principal focus, highly
diminished, real and inverted
B. b A ray of light parallel to the principal axis after reflection
from a concave mirror appeaes to diverge from the
principal focus of the mirror
C. c The focal length of spherical mirror is double of its
radius of curvature
D. d A ray of light travelling from a rarer medium to a denser
medium bends away from the normal

Answer

A

Explanation

The image formed by the concave mirror for an object
lying at infinity is at the principal focus highly
diminished, real and inverted.