Advertisements
Advertisements
Question
A ray of light falls normally on a plane mirror. What is the angle of incidence ?
Solution
Angle of incidence is 0°. Since angle of incidence is’the angle between incident ray and normal. Direction of reflected ray is along BA opposite to the direction of incident ray.
APPEARS IN
RELATED QUESTIONS
Write true or false of the following statement.
The image formed by a plane mirror is upright.
Fill in the blank
Angle of incidence = ___________
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 diagram, measure and write the angle of incidence and draw the reflected ray.
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.
Define the following term
Reflected ray
We can see a non-luminous object when the light
Light is falling on surfaces S1 S2 and S3 as shown in the figure.
|
Surface S1 |
|
Surface S2 |
|
Surface S3 |
Surfaces on which the angle of incidence is equal to the angle of reflection is/are
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.
