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प्रश्न
In the barber's shop, two plane mirrors are placed :
विकल्प
Perpendicular to each other
Parallel to each other
At an angle 60° between them
At angle 45° between them
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उत्तर
In the barber's shop, two plane mirrors are placed : parallel to each other
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संबंधित प्रश्न
Select the correct alternative
The angle between the incident ray and the ray reflected from the plane mirror is 70°. The angle of incidence will be :
Explain the following term :
Plane mirror
Draw diagram/diagrams to show them.
How is the position of an image related to the position of the object?
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?
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.
Explain the following term:
Normal Draw
diagram/diagrams to show them.
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).
