Advertisements
Advertisements
प्रश्न
How many images will be formed when an object is placed between two parallel plane mirrors with their reflecting surfaces facing each other? Why do more distant images appear fainter?
Advertisements
उत्तर
Angle between two mirrors facing each other = θ = 0°
No. of. images formed = n = `360^circ/theta = 360^circ/0 = ∞`
So, infinite number of images are formed when an object is placed between two parallel plane mirrors with their reflecting surfaces facing each other.
More distant images appear fainter when two plane mirror with their reflecting surfaces facing each other because,
After every successive reflection, some amount of light energy is absorbed. Thus luminosity of images goes on decreasing and hence they appear fainter.
APPEARS IN
संबंधित प्रश्न
Draw diagrams to show the difference between regular and irregular reflection.
Give two uses of concave mirror.
______ through which light can pass partially.
Which of the following can make a parallel beam of light when light from a point source is incident on it?
Figure shows a ray of light as it travels from medium A to medium B. Refractive index of the medium B relative to medium A is
Suppose we wish to obtain the real image of a distant tree. Explain two possible ways in which we can do it.
What kind of surface reflects light?
Play with a mirror
Write your name with a sketch pen on a thin sheet of paper, polythene or glass. Read your name on the sheet while standing in front of a plane mirror. Now look at your image in the mirror.
