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प्रश्न
How many times is a ray of light reflected by two plane mirrors placed parallel and facing each other?
उत्तर
A ray of light can be reflected an infinite number of times by two plane mirrors placed parallel to each other.
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संबंधित प्रश्न
Fill in the blank
Angle of incidence = ___________
Fill in the blank
The incident ray, the reflected ray and the normal lie in one _______
Select the correct alternative
The angle of incidence on a plane mirror is 30°.The angle of reflection will be:
A ray of light falls normally on a plane mirror. What is the angle of incidence ?
In the following diagrams, measure and write the angle of incidence and draw the reflected ray in a given case.
The angle between incident ray and reflected ray is 60°. What is the value of angle of incidence? Given that, angle of incidence + angle of reflection = 60°.
There is a mistake in, each of the following ray diagrams given as fig. (a), (b), and (c). Make the necessary correction(s).
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| (a) | (b) | (c) |
Diffused reflection gives a sharp image.
Assertion (A): A ray incident along normal to the mirror retraces its path.
Reason (R): In reflection, the angle of incidence is always equal to the angle of reflection.
A ray of light fall on a plane surface at an angle of incidence of 9° and reflection occurs. Calculate the angle of reflection in degree.
