Reflection by Spherical Mirrors

For magnification in spherical mirrors, the object height is taken:

An object of height $10\mathrm{mm}$ is placed in front of a concave mirror and virtual image of height $20\mathrm{mm}$ is obtained. If the object is placed at $20 \mathrm{cm}$from the concave mirror, the focal length of mirror is

Identify the correct statement:
 

Correct relation between radius of curvature($R$) and Focal length ($F$) of a spherical mirror is:

An object is placed at a distance of $10 \mathrm{cm}$. From a convex mirror of focal length $15 \mathrm{cm}$. The position and nature of the image are :

_____ is located behind a convex mirror :

In the following diagram ‘$M$’ is a mirror and ‘$P$’ is an object and ‘$Q$’ is the magnified image of ‘$P$’ formed by the mirror. The mirror ‘$M$’ is a:

A spherical mirror and a thin spherical lens each of focal length $-10 \mathrm{cm}$ are given. The mirror and lens are likely to be:

Which of the following mirror is used by a dentist to examine the patient tooth?

A concave mirror of focal length 15cm forms an image. The position of the object when the image is virtual and linear magnification is 2 is.

The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object?

The ratio of the focal length of spherical mirror to its radius of curvature is

An object placed at the centre of curvature of concave mirror. Its image is formed at :

At focus $\mathrm{F}$ and between $\mathrm{F}$ and $2\mathrm{F}$, a concave mirror always forms a

Among the following an example for extended source of light is

Following are the examples for point sources of light.

In the diagram given below, the image formed is

The image formed in the diagram given below is

An object is placed in front of convex mirror at a distance of 50 cm. A plane mirror is introduced covering the lower half of the convex mirror. If the distance between the object and plane mirror is 30 cm. It is found that there is no parallax between the images formed by two mirrors. Radius of curvature will be

A candle flame 3 cm is placed at a distance of 3 m from a wall. How far from wall must a concave mirror be placed in order that it may form an image of flame 9 cm high on the wall