A spherical mirror whose inner curved surface is reflecting is called

A compound microscope uses

The focus is in front of the mirror in

The speed of light in air is approximately

The lens which diverges light from a single point is

Reflection by smooth surfaces is called

The line passing through the two centers of curvatures of the lens is called

The focus of the convex mirror is

In a compound microscope, the focal length of the objective lens is

Concave mirrors are also called

When a ray of light strikes a face of prism perpendicularly, it enters the prism without deviation and strikes the hypotenuse at an angle of

The human eye acts like a

A medical procedure using any type of endoscope is called

After reflection from a concave mirror, rays of light parallel to the principal axis converge to a point which is called

The number of converging lenses that the compound microscope has are

If an ophthalmologist places a 3.00 diopter lens next to 0.75 diopter lens, the power of lens should be

The outer concentric shell in fiber optic is called

The colored portion of the eye that controls the amount of light reaching the retina is known as

A diverging lens always has the same ray diagram, which forms a

A point on the principal axis at the center of lens is known as

As the focal length of a concave lens is positive, therefore its power should be

[Radius of curvature (R) ⁄ 2] is equal to

Concave lens is also called

To see dim stars, we use

Power of a lens is defined as the reciprocal of its

The focus lies behind the mirror in

After refraction by the lens, the ray parallel to the principal axis passes through the

The projection or converging lens provides

In compound microscope, as compare to eye piece, objective lens has

The critical angle of water when refracted angle is 90° and refractive index for water and air is 1.33 and 1 is