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प्रश्न
What is a spherical mirror?
उत्तर
A reflecting surface which is a part of a sphere is called a spherical mirror.
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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.
A virtual image larger than the object can be produced by a ______.
Define the Focal length of a spherical mirror
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.
What do you understand by the term real image?
Define the term Aperture.
Geometric centre of the spherical mirror is ______.
The minimum length of the mirror required to see the full image of the person is half ‘ of his height.
