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प्रश्न
By drawing a neat diagram define the following:
Mirror
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उत्तर
The mirror is a highly polished and smooth surface that reflects almost the entire light falling on it. A plane mirror is made by silvering one side of a glass plate as shown in the figure.
Representation of plane mirror
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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.
Draw a diagram to show the reflection of a light ray incident normally on a plane mirror.
The diagram in fig. shows an incident ray AO and the normal ON on a plane mirror. Draw the reflected ray. State the law you use to draw the direction of the reflected ray.
An object is kept at 60 cm in front of a plane mirror. If the mirror is now moved 25 cm away from the object, how does the image shift from its previous position?
(a) What do you understand by the term lateral inversion?
(b) A printed card has letters PHYSICS. By drawing the diagram show the appearance of the letters. (No ray diagram is required).
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.
