1.
In case of a virtual and erect image, the magnification of a mirror is
2.
An incident ray strikes a plane mirror at an angle of 15° with the mirror. The angle between the incident ray and reflected ray is
3.
A real image, equal in size to the object, is obtained when the object is placed at the centre of curvature in front of a
4.
If a mirror has a focal length of - 20 cm , it is
5.
A mirror having a very wide field of view must be
6.
Choose the correct relation between u, v and r for a spherical mirror:
7.
The angle between the two refracting surfaces of a total reflecting prism is
8.
If we say that the focal length of a spherical mirror is n times its radius of curvature, then n must be
9.
In the question above, the angle between the reflected ray and the mirror is
10.
The focal length of a plane mirror is
11.
The relation between u, v and f for a mirror is given by:
12.
For an object at infintiy, a concave mirror pro diocesan image at its focus which is
13.
The mirror used in search lights is
15.
If a mirror has a focal length of +15 cm it is
16.
In case of a real and inverted image, the magnification of a mirror is
17.
The sum of the reciprocals of object distance and image distance is equal to the _________ of a mirror.
18.
The magnification produced by a concave mirror
19.
A virtual, erect and magnified image of an object is to be produced with a concave mirror of focal length 12 cm. Which of the following object distance should be chosen for this purpose?
20.
The mirror used in automobiles to see the rear field of view is
