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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
Write true or false of the following statement.
The image formed by a plane mirror can be obtained on a screen.
What do you mean by the term reflection of light ?
You are standing at a distance of 2 meters from a plane mirror.
What is the distance of your image from the mirror?
With the help of diagrams, explain the difference between the regular and irregular reflection.
An object OA is placed on the principal axis of a concave mirror as shown in the figure. Copy and complete the diagram to show the formation of image.
State whether the following statement is true or false. If false, correct it.
If the incident ray makes an angle of Xo with the normal, then the reflected ray is 2Xo.
Complete the path of incident ray in the following case.
The light ray gets _______ when it falls on any polished surface.
______ through which light cannot pass.
