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प्रश्न
Write true or false
The earth has its own light.
पर्याय
True
False
MCQ
चूक किंवा बरोबर
उत्तर
False
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संबंधित प्रश्न
Fill in the blank.
Light travels in a ................. path.
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What do we call an electric bulb producing light?
Write the names of some transparent objects.
Write the names of some cold light-emitting objects.
Answer the following.
Write down five man-made sources of light.
A ______ is an artificial source of light.
State whether true or false. If false, correct the statement.
If a ray of light passes obliquely from one medium to another, it does not suffer any deviation.
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| 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 |
State Rayleigh’s law of scattering.
