Advertisements
Advertisements
प्रश्न
How many times is a ray of light reflected by two plane mirrors placed parallel and facing each other?
Advertisements
उत्तर
A ray of light can be reflected an infinite number of times by two plane mirrors placed parallel to each other.
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
The image formed by a plane mirror is upright.
Explain the following terms:
Incident ray, Reflected ray, Angle of incidence, Angle of reflection, Normal.
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 each case.

Draw a ray diagram showing the formation of image of a point object by a plane mirror.
We can see a non-luminous object when the light
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.

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.
