Advertisements
Advertisements
प्रश्न
Define the following term
Angle of incidence
Advertisements
उत्तर
Angle of incidence: The angle formed between the incident ray PO and the normal ‘ON’ is angle of incidence.
APPEARS IN
संबंधित प्रश्न
Explain the following terms:
Incident ray, Reflected ray, Angle of incidence, Angle of reflection, Normal.
The following diagram shows an incident ray AO and the normal ON on a plane mirror. Find the angle of incidence and angle of reflection.
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?
Two mirrors A and B are placed at right angles to each other as shown in the following figure.
A ray of light incident on mirror A at an angle of 25° falls on mirror B after reflection. The angle of reflection for the ray reflected from mirror B would be
How many times is a ray of light reflected by two plane mirrors placed parallel and facing each other?
The distance between the object and its image formed by a plane mirror appears to be 24 cm. What is the distance between the mirror and the object?
The angle formed between the reflected ray and the normal is ______.
Angle of incidence is greater than the angle of reflection.
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.
