Advertisements
Advertisements
प्रश्न
Two plane mirrors are placed making an angle θ° in between them. For an object placed in between the mirrors, if angle is gradually increased from 0° to 180°, how will the number of images change : increase, decrease or remain unchanged?
Advertisements
उत्तर
The number of images formed is given as n = `360/θ`
So, if q is gradually increased, n decreases.
APPEARS IN
संबंधित प्रश्न
Write three characteristics of the image formed by a plane mirror?
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?
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.
State two uses of a plane mirror.
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 :
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.
Draw a neat two ray diagram for the formation of images in two plane mirrors, when mirrors are at facing each other.
