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प्रश्न
Define Regular reflection.
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उत्तर
The phenomenon due to which a parallel beam of light traveling through a certain medium, on striking some polished surface, bounces off from it, as a parallel beam, in some other direction, is called regular reflection.
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संबंधित प्रश्न
Draw a figure showing the following.
- Incident Ray
- Normal
- Angle of incidence
- Angle of reflection
- Point of incidence
- Reflected ray
Explain the following term:
Reflected ray. Draw diagram/diagrams to show them.
In the figure is shown a concave mirror. A is a point on the principal axis. If an object O is kept at A, image is formed on A itself. Copy the diagram. Draw the image in the diagram. Is the image real or virtual?
Measure the distance PA and write it in the diagram. What is the distance PA called?
Mark a point B on the principal axis, at which, if a point source of light is kept, the rays travel parallel to principal axis after reflection from M. What is point B called?
Identify the following kind of beam of light.
The word PLATE written on a paper is held in front of a plane mirror. Write down the letters as seen in the following case.
The paper is held perpendicular to the mirror.
The moon ______ sun light.
Materials which reflect the light well are called ______.
Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in the Figure Which of the following could be inside the box?
