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प्रश्न
Select the correct option:
In case of concave mirror, the minimum distance between an object and its real image is:
विकल्प
f
2f
4f
zero
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उत्तर
zero
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संबंधित प्रश्न
Write true or false of the following statement.
When a light ray is reflected from a wall, the angle of incidence is not equal to the angle of reflection.
What is meant by lateral inversion of an image in a plane mirror? Explain it with the help of a ray diagram.
An insect is sitting in front of a plane mirror at a distance 1 m from it.
(a) Where is the image of the insect formed?
An optician while testing the eyes of a patient keeps a chart of letters 3 m behind the patient and asks him to see the letters on the image of chart formed in a plane mirror kept at distance 2 m in front of him. At what distance is the chart seen by the patient?
Two plane mirrors are arranged parallel and facing each other at some separation. How many images are formed for a point object kept in between them? Show the formation of images with the help of a ray diagram
An object is placed (i) asymmetrically (ii) symmetrically, between two plane mirrors inclined at an angle of 50°. Find the number of images formed.
Explain the following term:
Normal Draw
diagram/diagrams to show them.
Prove experimentally that images are formed as far behind in a plane mirror as the object is in front of it.
Calculate the number of images formed in two plane mirrors, when they are held at the angle of (i) 72° (ii) 36°.
Identify the following kind of beam of light.

