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प्रश्न
Select the correct alternative.
The natural source of light is
पर्याय
candle flame
electric lamp
sun
kerosene lamp
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उत्तर
sun
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संबंधित प्रश्न
Name two natural sources of light.
Does the flame of a gas stove emit light?
Fill in the blank
The brightness of light is measured in ...................
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
When light passes through a prism, it gets separated into ______ colours.
When a ______ object comes in the way of light, light passes ______ it.
Match the following.
| 1. | Ratio of height of image to height of object. | Concave mirror |
| 2. | Used in hairpin bends in mountains. | Total internal reflection |
| 3. | Coin inside water appearing slightly raised. | Magnification |
| 4. | Mirage | Convex mirror |
| 5. | Used as Dentist’s mirror. | Refraction |
The path of the light is called as ______.
Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are, respectively
A ray of the light incident along normal to the mirror ______ its path.
