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प्रश्न
Draw separate diagram for the formation of virtual image of an object by a concave mirror.
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उत्तर
A concave mirror creates an image behind it when an object is positioned between its pole and focus. An enlarged, erect, and virtual image of the thing is created.
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संबंधित प्रश्न
A student focused the Sun rays using an optical device 'X' on a screen S as shown.
From this it may be concluded that the device 'X' is a (select the correct option)
(A) Convex lens of focal length 10 cm.
(B) Convex lens of radius of curvature 20 cm.
(C) Convex lens of focal length 20 cm.
(D) Concave mirror of focal length 20 cm.
Give one use each of a concave and a convex mirror.
Name the two kinds of spherical mirrors and distinguish between them.
What type of mirror can be used to obtain a real image of an object?
How is the focal length of a spherical mirror related to its radius of curvature?
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
Select the correct option:
Looking into a mirror one finds her image diminished, the mirror is:
Define the term Focus of a concave mirror.
An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 cm. By scale drawing find the nature, position, and magnification of the image in the following case:
Convex mirror
