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प्रश्न
Observe the picture given in Fig. 11.1 carefully.
A patch of light is obtained at B, when the torch is lighted as shown. Which of the following is kept at position A to get this patch of light?
विकल्प
A wooden board
A glass sheet
A mirror
A sheet of white paper,
उत्तर
A mirror
Explanation:
Only a mirror can reflect a patch of light and change its direction.
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संबंधित प्रश्न
Fill in the blank.
Light gives us the sensation of ................
Name two natural sources of light.
List two artificial sources of light.
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
Does the flame of a gas stove emit light?
Name a few living things which emit light.
Match the following
| Column A | Column B |
| 1. Transparent object | i. Football |
| 2. Eclipses | ii. Glass |
| 3. Translucent object | iii. Fluorescent tube |
| 4. Luminous object | iv. Tracing paper |
| 5. Non - luminous object | v. Shadows |
When a ______ object comes in the way of light, light passes ______ it.
In going from a rarer to denser medium, the ray of light bends ______.
The angle of deviation of light ray in a prism depends on the angle of ______.
