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प्रश्न
Select the correct alternative
The angle of incidence on a plane mirror is 30°. The angle between the incident ray and the reflected ray is
विकल्प
30°
15°
60°
90°
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उत्तर
60°
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संबंधित प्रश्न
In the following diagrams, measure and write the angle of incidence and draw the reflected ray in a given case.
Draw a ray diagram showing the formation of image of a point object by a plane mirror.
Define the following term
Incident ray
Define the following term
Normal
We can see a non-luminous object when the light
Light is falling on surfaces S1 S2 and S3 as shown in the following figure.
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Surfaces on which the angle of incidence is equal to the angle of reflection is/are
A small hole P is made in a piece of cardboard. The hole is illuminated by a torch as shown in the following figure. The pencil of light coming out of the hole falls on a mirror.
At which point should the eye be placed, so that the hole can be seen?
There is a mistake in each of the following ray diagrams given as figures a, b, and c. Make the necessary correction (s).
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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.
