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.
Related Questions
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 it's 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?
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