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प्रश्न
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उत्तर
Focal length = 1/2 of radius of curvature
= 1/2 X 30 = 15cm.
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संबंधित प्रश्न
How is the position of an image related to the position of the object?
The image formed by a plane mirror is :
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(a) Where is the image of the insect formed?
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Draw a neat two ray diagram for the formation of images in two plane mirrors, when mirrors are at facing each other.
Write down the letters of the word ‘POLEX’ as seen in a plane mirror, held parallel to the plane of this paper.
Select the correct option:
In case of concave mirror, the minimum distance between an object and its real image is:
Identify the following kind of beam of light.
