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प्रश्न
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उत्तर १
Reflection obeys the following two laws
(a). The incident ray, the reflected ray, and the normal at the point of incidence, all lie in the same plane.
(b). The angle of incidence and the angle of reflection are always equal.
उत्तर २
- The incident ray, the reflected ray, and the normal at the point of incidence, all lie in the same plane.
- The angle of incidence and the angle of reflection are always equal.
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.
- 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?
Draw a diagram showing the reflection of a light ray from a plane mirror. Label on it the incident ray, the reflected ray, the normal, the angle of incidence i and the angle of reflection r.
State the two laws of reflection of light.
State the laws of reflection and describe an experiment to verify them.
According to the law of reflection :
State the laws of reflection.
A ______ reflection helps us to see the object
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.
The laws of reflection hold good for
Look at the figure. Can the image of the child in it be obtained on a screen?
The bouncing back of light from a surface is called ______.
We can see things around us only when the light reflected by them reaches our eyes.
Why do we need a shiny surface for reflection?
If all objects around us were to reflect light in a regular way, what problem might we face?
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?
Which of the following is a non-mechanical wave?
