Advertisements
Advertisements
Question
State the direction of incident ray which after reflection from a spherical mirror retraces its path. Give reason for your answer.
Advertisements
Solution
When incident ray is directed towards the centre of curvature, at all the points of spherical mirror, the ray is always normal. Therefore, angle of incidence i = Angle of reflection r = 0°.
APPEARS IN
RELATED QUESTIONS
You are standing at a distance of 2 meters from a plane mirror.
What is the distance between you and your image?
If the angle between the plane mirror and the incident ray is 40∘, what are the angles of incidence and reflection?
An object is placed 2 cm from a plane mirror. If the object is moved by 1 cm towards the mirror, what will be the distance between the object and its new image?
State whether the following statement is true or false. If false, correct it.
If the incident ray makes an angle of Xo with the normal, then the reflected ray is 2Xo.
Differentiate between a reflection and a shadow
Match the following:
| 1. | Vegetable oil | a. | Transparent |
| 2. | Glass | b. | Translucent |
| 3. | Wood | c. | Waterproof |
| 4. | Aluminum foil | d. | Opaque |
______ through which light cannot pass.
The image formed by a plane mirror is always as far behind the mirror as far the object lies in front of it.
We can see objects because of ______.
