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प्रश्न
Define the following term
Incident ray
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उत्तर
Incident ray- The ray of light that falls on the surface of the reflection materials.
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संबंधित प्रश्न
Write true or false of the following statement.
The objects are seen around us due to irregular reflection of light.
Select the correct alternative
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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?
How many times is a ray of light reflected by two plane mirrors placed parallel and facing each other?
Draw figure showing the position of the plane mirror. Also, label the angle of incidence and angle of reflection on it.

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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| (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.



