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प्रश्न
Select the correct alternative.
The natural source of light is
विकल्प
candle flame
electric lamp
sun
kerosene lamp
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उत्तर
sun
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संबंधित प्रश्न
Write true or false of the following statement.
The moon is a natural source of light.
Write true or false of the following statement.
Light travels in a straight-line path.
What do we call a substance through which we cannot see light? Give an example of such a substance.
Does the flame of a gas stove emit light?
Fill in the blank
There are ........... and man-made ............ of light.
Fill in the blank
The brightness of light is measured in ...................
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 |
Write true or false
The stars have no light.
A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is ______.
In going from a rarer to denser medium, the ray of light bends ______.
