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प्रश्न
Differentiate between a reflection and a shadow
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उत्तर
| Sr No. | Reflection | Shadow |
| 1. | When light falls on a surface, the direction of ray is changed. This change in direction is known as reflection of light. | Shadow is an image formed by obstruction of light. |
| 2. | Eg.: You see your reflection in a pool of water or mirror. | Eg.: If you place your hand in front of a candle, you will see the image of the hand on the wall. This image will show only the outline of the object placed in front of the light source. |
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संबंधित प्रश्न
Explain the following term:
Angle of incidence. Draw diagram/diagrams to show them.
The diagram in Figure shows a point object P in front of a plane mirror MM1.
(a) Complete the diagram by taking two rays from the point P to show the formation of its image.
(b) In the diagram, mark the position of eye to see the image.
(c) Is the image formed real or virtual? Explain why?
What type of mirror is used to obtain a real image-of an object?
What do you understand by the Diffused Light?
Out of the following, choose the substance which is translucent medium:
Which of the following ray diagrams is correct for the ray of light incident on a lens shown in figure?
 |
 |
| A | B |
 |
 |
| C | D |
Suppose we wish to obtain the real image of a distant tree. Explain two possible ways in which we can do it.
The light falling on the mirror is called as ______ and the light reflected is called reflected ray.
The angle of incidence is equal to the angle of reflection for perfect reflection.
