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प्रश्न
Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.
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उत्तर
Pole: The geometric centre of the spherical surface of mirror is called the pole of mirror.
Principal axis: It is the straight line joining the pole of the mirror to its centre of curvature.
Centre of curvature: The centre of curvature of a mirror is the centre of the sphere of which the mirror is a part.
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Centre of curvature
We can obtain a real, enlarged and inverted image by a concave mirror.
A virtual image larger than the object can be produced by a ______.
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
- What will be the focal length of this mirror?
- Which type of spherical mirror will it provide?
- State whether this spherical mirror will diverge or converge light rays.
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?
Why does a driver use a convex mirror instead of a plane mirror as a rear view mirror?
Illustrate your answer with the help of a ray diagram.
Define the following term in relation to concave mirror.
Pole
Define the term principal focus in case of convex mirror. Draw a convex mirror and show its principal focus and focal length clearly.
