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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
उत्तर
In the barber's shop, two plane mirrors are placed : parallel to each other
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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.
Fill in the blank
A ________ image cannot be obtained on a screen.
The diagram in Fig. shows an incident ray AO and the reflected ray OB from a plane mirror. The angle AOB is 30°. Draw normal on the plane mirror at the point O and find:
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?
Two plane mirrors are placed making an angle θ in between them. Write an expression for the number of images formed of an object placed in between the mirrors. State the condition, if any.
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.
Prove geometrically that when plane mirror turns through a certain angle, the reflected ray turns through twice the angle.
Draw a neat two ray diagram for the formation of images in two plane mirrors, when mirrors are at right angles to each other.
Parallel rays are incident:
- on regular surface and
- on irregular surface. In what respect do reflected rays in (1) differ from those of (2)?
Identify the following kind of beam of light.
