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प्रश्न
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उत्तर
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संबंधित प्रश्न
Describe an activity to show that the incident ray, the reflected ray and the normal at the point of incidence lie in the same plane.
Boojho stands at A just on the side of a plane mirror as shown in figure. Can he see himself in the mirror? Also can he see the image of objects situated at P, Q and R?
- Find out the position of the image of an object situated at A in the plane mirror.
- Can Paheli at B see this image?
- Can Boojho at C see this image?
- When Paheli moves from B to C, where does the image of A move?
Describe an experiment to verify the laws of reflection of light. Ans. Laws of reflection.
State the laws of reflection and describe an experiment to verify them.
According to the law of reflection :
A student does the experiment on tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence. He can get a correct measure of the angle of incidence and the angle of emergence by following the labelling indicated in figure.
The incident angle of a ray of light is 30°. The angle between the incident ray and the reflected ray is ______.
The incident ray, the ______ ray, and the ______ at the point of incidence, all lie in the same plane.
We can see things around us only when the light reflected by them reaches our eyes.
