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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.
विकल्प
True
False
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उत्तर
False.
When a light ray is reflected from a wall, the angle of incidence is equal to the angle of reflection.
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संबंधित प्रश्न
Explain the following term :
Plane mirror
Draw diagram/diagrams to show them.
What is meant by lateral inversion of an image in a plane mirror? Explain it with the help of a ray diagram.
The image formed by a plane mirror is :
An insect is sitting in front of a plane mirror at a distance 1 m from it.
(b) What is the distance between the insect and its image?
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?
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?
Prove experimentally that images are formed as far behind in a plane mirror as the object is in front of it.
Prove geometrically that when plane mirror turns through a certain angle, the reflected ray turns through twice the angle.
(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).
