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प्रश्न
Define Radius of curvature of the spherical mirror
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उत्तर
The distance between the centre of curvature and between the centre of curvature and pole. It is measured in meter or cm.
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संबंधित प्रश्न
What is a virtual image?
A virtual image larger than the object can be produced by a ______.
What kind of mirror is required for obtaining a virtual image of the same size as the object?
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
What is the advantage of using a carbon paper rather than a white paper?
Name the spherical mirror which can produce a real and diminished image of an object.
What do you mean by the term dispersion?
Draw separate diagram for the formation of virtual image of an object by a concave mirror.
An optical device has been given to a student and he determines its focal length by focusing the image of the sun on a screen placed 24 cm from the device on the same side as the sun. Select the correct statement about the device.
(A) Convex mirror of focal length 12 cm
(B) Convex lens of focal length 24 cm
(C) Concave mirror of focal length 24 cm
(D) Convex lens of focal length 12 cm
If a spherical mirror breaks, what type of mirrors are the individual pieces?
Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.
Name the kind of mirror used to obtain :
A real and enlarged image
How is the focal length of a spherical mirror related to its radius of curvature?
An object 5 cm high forms a virtual image of 1.25 cm high, when placed in front of a convex mirror at a distance of 24 cm. Calculate:
- the position of the image
- the focal length of the convex mirror.
Select the correct option:
A concave mirror is made by cutting a portion of a hollow glass sphere of radius 30 cm. The focal length of the concave mirror is:
Define the following term in relation to concave mirror.
Center of curvature
Define the term Focus of a concave mirror.
For a spherical mirror, ______ is true.
A spherical mirror whose reflecting surface is curved outwards is called ______ mirror.
