Advertisements
Advertisements
प्रश्न
Calculate the number of images formed in two plane mirrors, when they are held at the angle of (i) 72° (ii) 36°.
Advertisements
उत्तर
(i) When θ = 72°
Number of image formed = n = `360^circ/theta - 1`
n = `360^circ/72^circ - 1`
n = 5 - 1
n = 4
(ii) When θ = 36°
Number of image formed = n = `360^circ/theta - 1`
n = `360^circ/36^circ - 1`
n = 10 - 1
n = 9
APPEARS IN
संबंधित प्रश्न
The diagram in fig. shows an incident ray AO and the normal ON on a plane mirror. Draw the reflected ray. State the law you use to draw the direction of the reflected ray.
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.
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 :
An object is placed (i) asymmetrically (ii) symmetrically, between two plane mirrors inclined at an angle of 50°. Find the number of images formed.
Explain the following term:
Normal Draw
diagram/diagrams to show them.
Prove experimentally that images are formed as far behind in a plane mirror as the object is in front of it.
State the mirror formula for the formation of total number of images formed in two plane mirrors, held at an angle.
Write down the letters of the word ‘POLEX’ as seen in a plane mirror, held parallel to the plane of this paper.
