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प्रश्न
Fill in the blank.
Light travels in a ................. path.
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उत्तर
Light travels in a straight line path.
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संबंधित प्रश्न
Write true or false of the following statement.
A shadow is formed because light travels in a straight-line path.
What is light? Define it.
Name two natural sources of light.
What do we call a substance through which we cannot see light? Give an example of such a substance.
What do you understand by candle power?
Fill in the blank
The brightness of light is measured in ...................
Fill in the blank
Speed of light in vacuum is .................
A ______ is an artificial source of light.
When a beam of white light passes through a prism it gets ______.
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 |
