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प्रश्न
State the laws of reflection.
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उत्तर
There are two laws of reflection.
- The angle of incidence is always equal to the angle of reflection (∠i = ∠r).
- The incident ray, the normal at the point of incidence, and the reflected ray are all on the same plane.
संबंधित प्रश्न
A person 1 m in front of a plane mirror seems to be ______ m away from his image.
What is the angle of incidence of a ray if the reflected ray is at an angle of 90° to the incident ray?
- 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?
What are regular and irregular reflection? Explain with the help of diagrams
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.
Look at the figure. Can the image of the child in it be obtained on a screen?
Plane mirrors are arranged parallel to each other to get ______.
A safety vest helps to keep the workers who are working by the roadside safely. This is especially so during the night. Why?
How should a ray of light be incident on a rectangular glass slab so that it comes out from the opposite side of the slab without being displaced?
Higher-Order Thinking Skills:
Are the laws of reflection true in the case of irregular reflection?
