What are the properties of an image formed on a plane mirror?

How to prove that focal length is half of radius of curvature in spherical mirrors.

In a periscope WHAT is the angle of the mirror placed , because of which the reflection is parellal?

 difference between regular and irregular reflection?

what type of reflection takes place on cinema screen

A concave mirror is used as a shaving mirror .explain the reason with the help of a ray diagram.

how is a spherical mirror used to diverge a beam of light from a point?name the type of mirror used.

 Why are convex lenses used in rear and side view mirrors in cars?

Explain the image formation by a concave mirror when object is between F and P,,Object at F,,Object between F and C,,Object at C,Object beyond C,,Object at infinity.

Why a plane mirror are used as looking glasses?

explain why on a cold day the metallic handle of a door feels colder than the wooden door.

Define aperture.

 what is meant by motion in a stright line?give some examples

why do the birds flying high do not cast their shadow on the surface of the Earth?

What is the difference between reflection and refraction?