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प्रश्न
Name the kind of mirror used to obtain :
A real and enlarged image
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उत्तर
Concave
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal focus
Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram
Write the mirror formula. Give the meaning of each symbol which occurs in it.
Discuss the position and nature of image formed by a concave mirror when an object is moved from infinity towards the pole of mirror.
An object is placed at 4 cm distance in front of a concave mirror of radius of curvature 24 cm. Find the position of image. Is the image magnified?
Define the following term in relation to concave mirror.
Focal length
Define the following term in relation to concave mirror.
Radius of curvature
Define the term Focus of a concave mirror.
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?
