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प्रश्न
Select the correct option:
If an incident ray passes through the centre of curvature of a spherical mirror, the reflected ray will:
पर्याय
pass through its pole
retraces its path
pass through its focus
be parallel to principal axis
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उत्तर
retraces its path
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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.
Why is it difficult to read the image of the text of a page formed due to reflection by a plane mirror?
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?
How many images are formed for a point object kept in between two plane mirrors at right angles to each other? Show them by drawing a ray diagram.
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
By drawing a neat diagram define the following:
Mirror
Prove geometrically that when plane mirror turns through a certain angle, the reflected ray turns through twice the angle.
Calculate the number of images formed in two plane mirrors, when they are held at the angle of (i) 72° (ii) 36°.
What must be the minimum length of a plane mirror in which a person can see himself full length? Draw a diagram to justify your answer. Does the distance of a person from the mirror affect the above answer?
