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प्रश्न
State the two kinds of spherical mirror and distinguish them with the aid of proper diagrams.
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उत्तर
The kinds of SPHERICAL MIRRORS are :
- CONCAVE MIRROR
- CONVEX MIRROR
CONCAVE MIRROR: Silvered surface is away from the centre of curvature and focal length is negative, i.e. reflecting surface is towards the centre of curvature.
CONVEX MIRROR: Silvered surface is towards the centre of curvature and focal length is positive i.e. reflecting surface is away from the centre of curvature. It always forms diminished (small) image which is VIRTUAL.
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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.
Name the spherical mirror which can produce a virtual and diminished image of an object.
Name the two kinds of spherical mirrors and distinguish between them.
Does the mirror mentioned in part (b) form real image for all locations of the object?
Define the following term in relation to concave mirror.
Aperture
Does the mirror name by your form a real image for all locations? Give a reason for your answer.
An object is placed at a distance of 0.25 m
in front of a plane mirror. The distance between the object and image will be ______.
Name the type of mirror used in the following situation:
Solar furnace
Support your answer with reason.
