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प्रश्न
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उत्तर
(i) The distance from the pole in the direction of incident ray is taken positive.
(ii) The distance from the pole in the direction opposite to the incident ray is taken negative.
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संबंधित प्रश्न
Explain the following terms :
Pole, Centre of curvature, Radius of curvature, Principal axis. Show them on separate diagrams for each of the concave and convex mirrors.
How is the focal length of a spherical mirror related to its radius
The focal length of a concave mirror is 10 cm. Find its radius of curvature.
Define the following term in relation to concave mirror.
Focal length
The following Figure shows a concave mirror MM' on which a ray of light incident from a point P gets reflected to meet the principle axis at O.
(a) Find, by construction, the position of the centre of curvature of the concave mirror.
(b) Write down the value for the radius of curvature of the mirror.
(c) Calculate the focal length of the mirror.
(d ) Which relation is used in deducing the focal length from the radius of curvature?
Geometric centre of the spherical mirror is ______.
Name the type of mirror used in the following situation:
Side/rear-view mirror of a vehicle
Support your answer with reason.
A spherical mirror whose reflecting surface is curved outwards is called ______ mirror.
