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प्रश्न
Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.
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
A ray of light is incident normally on a plane mirror. What will be the
angle of incidence?
How is a spherical mirror used to converge a beam of light at a point? Name the type of mirror used.
How is a spherical mirror used to diverge a beam of light from a point? Name the type of mirror used.
State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.
Name the kind of mirror used to obtain
(a) a real and enlarged image
(b) a virtual and enlarged image
(c) a real and diminished image, and
(d) a virtual and diminished image.
Define the following term in relation to concave mirror.
Pole
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.
