Advertisements
Advertisements
Question
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 :
Options
3
6
5
infinite
Advertisements
Solution
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 : 5
APPEARS IN
RELATED QUESTIONS
Fill in the blank
A ________ image cannot be obtained on a screen.
Explain the following term :
Plane mirror
Draw diagram/diagrams to show them.
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?
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.
A boy stands 4 m away from the plane mirror. If the boy moves `1/2` m towards the mirror, what is now the distance between the boy and his image? Give a reason for your answer.
What must be the minimum length of a plane mirror in which a person can see himself full length? Draw a diagram to justify your answer. Does the distance of a person from the mirror affect the above answer?
Write down the letters of the word ‘POLEX’ as seen in a plane mirror, held parallel to the plane of this paper.
