Advertisements
Advertisements
प्रश्न
Define the following term
Normal
Advertisements
उत्तर
Normal: The perpendicular line drawn from, the point of incidence to the plane of reflecting surface is called normal.
APPEARS IN
संबंधित प्रश्न
Explain the following terms:
Incident ray, Reflected ray, Angle of incidence, Angle of reflection, Normal.
In the following diagrams, measure and write the angle of incidence and draw the reflected ray in a given case.
In the following diagrams, measure and write the angle of incidence and draw the reflected ray in each case.
Draw a ray diagram showing the formation of image of a point object by a plane mirror.
Light is falling on surfaces S1 S2 and S3 as shown in the following figure.
|
|
|
|
|
|
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?
The angle between incident ray and reflected ray is 60°. What is the value of angle of incidence?
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).
 |
 |
 |
| (a) | (b) | (c) |
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.
