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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.
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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.
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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.
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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.