Question

Plane mirror is a good reflector​

Answer 1

Answer:

plane mirror is a good reflector because it has silver coated on its back side. It reflects almost all of the light and absorbs very less light. it also is a opaque object.

Answer 2

Answer:

Plane mirrors are good reflectors due to following reasons:-

1) They have partial metallic character

2) It has no(very less) irregularities.

3) It is coated with silver at the back which is considered as one of most reflective metals.

4) The refractive index of glass is less.

5) It doesn't absorb (negligible) light rays.

Hope it helps.