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If the angle between the mirror and the reflected ray is 23∘, what is the angle of incidence of the incidence ray?
With the help of diagrams, explain the difference between the regular and irregular reflection.
Draw a diagram to show the reflection of a ray of light using a plane mirror. In the diagram, label the incident ray, the reflected ray, the normal, the angle of incidence and the angle of reflection.
A boy is standing in front of a plane mirror at a distance of 3 m from it.
(i) What is the distance between the boy and his image?
(ii) If the boy moves 1 m backward, find the distance between the image and the boy.
Locate the image termed when the object is placed between two planes as shown in the following figure.
By geometrical construction, find the position of the image in the following figure.
Which position of the object will produce a magnified virtual image, if a concave mirror of focal length 15 cm is being used?
Match the following:
| 1. | Rubber | a. | Erect |
| 2. | Greased paper | b. | Inverted |
| 3. | Real image | c. | Opaque medium |
| 4. | Virtual image | d. | Translucent medium |
