Advertisements
Advertisements
प्रश्न
Name the spherical mirror which can produce a virtual and diminished image of an object.
Advertisements
उत्तर
Only a convex mirror can produce a virtual and diminished image of an object.
APPEARS IN
संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal axis
Draw separate diagram for the formation of virtual image of an object by a concave mirror.
Define the following terms in the context of spherical mirrors :
(i) Pole
(ii) Centre of curvature
(iii) Radius of curvature
(iv) Principal axis
A student obtained a sharp image of a burning candle, placed at the farther end of a laboratory table, on a screen using a concave mirror. For getting better value of focal length of the mirror, the subject teacher suggested him for focusing a well illuminated distant object. What should the student do?
(A) He should move the mirror away from the screen.
(B) He should move the mirror slightly towards the screen.
(C) He should move the mirror as well as the screen towards the newly selected object.
(D) He should move only the screen towards the newly selected object.
Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
The diagram below in Figure, shows a convex mirror. C is its centre of curvature and F is its focus. (i) Draw two rays from A and hence locate the position of image of object OA. Label the image IB. (ii) State three characteristics of the image.
Write two more characteristics of the image.
Discuss the position and nature of image formed by a convex mirror when an object is moved from infinity towards the pole of mirror.
Name the kind of mirror used to obtain :
A real and enlarged image
Which mirror will you prefer to use as a rear view mirror in a car : plane mirror or convex mirror? Give one reason.
The image formed by a convex mirror is
At what distance from a concave mirror of focal length 25 cm should an object be placed so that the size of image is equal to the size of the object.
An object is placed at 4 cm distance in front of a concave mirror of radius of curvature 24 cm. Find the position of image. Is the image magnified?
Select the correct option:
Looking into a mirror one finds her image diminished, the mirror is:
Define the term Principle focus.
Complete the following diagrams shown in the following figures by drawing the reflected rays.

The image formed in a plane mirror is always inverted.
The minimum length of the mirror required to see the full image of the person is half ‘ of his height.
