List of top Physics Questions on Mirrors and Images asked in TS POLYCET

The focal length of double concave lens having refractive index 1.5 kept in air with two spherical surfaces of radii \( R_1 = 20 \, \text{cm} \) and \( R_2 = 80 \, \text{cm} \) is

The focal length of a concave mirror is 20 cm. At what distance the object is placed to obtain the virtual image?

Concave mirrors can produce

Convex mirror is used as

In which one among the following cases the convex lens does not give a real image?

A convex lens kept in a medium with refractive index less than the refractive index of the lens behaves like

The mirror which always gives diminished image is

If the magnification of the mirror is greater than 1, then the mirror is

A virtual image is formed by a concave mirror when the object is placed

The lens which always give a diminished and virtual image is

Dentist uses this mirror to examine teeth of patients.

The minimum distance of an object from the pole to obtain real image in case of a concave mirror is

With the help of _____eye-lens changes its focal length.

If magnification is equal to one, it means

If a light ray passing through centre of curvature (C) of a mirror is incident on the mirror, the reflected ray's path is

Focal plane of a spherical mirror is

When a set of parallel rays of light inclined at 15° to the principal axis, are incident on a convex lens, they

To find normal to a curved surface at a point, join that point and

What is the position of the image if the object is placed beyond the centre of curvature on the principal axis of convex lens?