Physics
In a barber's shop, two plane mirrors are placed:
- perpendicular to each other
- parallel to each other
- at an angle of 60° between them
- at an angle of 45° between them.
Reflection
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Answer
parallel to each other
Reason — In a barber's shop, in order to see the hairs at the back of the head two plane mirrors are placed parallel to each other at the front and at the back of the viewer.
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Related Questions
If in the question (1) given above the object is placed symmetrically between the mirrors, then the number of images formed will be :
- n
- n + 1
- n - 1
- 0
Two plane mirrors are placed making an angle 60° in between them. For an object placed in between the mirrors, the number of images formed will be .
- 3
- 6
- 5
- infinite.
For two mirrors kept parallel to each other, the number of images formed is :
- 5
- 7
- 0
- infinity
The number of images formed for two mirrors kept perpendicular to each other is :
- 1
- 2
- 3
- 5