PHYSICS fill in the blanks.

In a spectrum violet colour bends the most, whereas red colour bends the least.

The phenomenon of splitting of white light into its seven constituent colours after passing through a prism is called dispersion.

In refraction, the incident ray, refracted ray and the normal lie on the same plane.

The phenomenon of bending of light is called refraction of light.

A convex mirror never produces real images.

A concave mirror is used as a shaving mirror.

A ray of light passing through the centre of curvature retraces its path.

The radius of curvature of a spherical mirror is always twice its focal length.

A spherical mirror with the outer surface as the reflecting surface is called a convex mirror.

In a concave mirror, an incident ray passing through the focus is reflected parallel to the principal axis.

A virtual image is always inverted.

The center of the hollow sphere of which a spherical mirror forms a part is called its linear aperture.

The length of the straight line joining two opposite extreme points on the periphery of a spherical mirror is called focus.

The aperture of a mirror denotes its size.

A real image can be obtained on a screen.