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प्रश्न
Tick the correct answer.
The natural source of light is
विकल्प
Sun
Electric lamp
Candle flame
Kerosene lamp
MCQ
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उत्तर
Sun
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संबंधित प्रश्न
Match the following
| (a). A light ray passes from air to glass | (1) . speeds up |
| (b). A light ray passes from glass to water | (2). reflects red light |
| (c). Virtual image | (3). primary colours |
| (d). Red rose | (4). plane mirror |
| (e). Red, green, and blue | (5). slows down |
What do we call a body that shines on its own?
Name any four man made sources of light.
Why do objects in a room become visible even if sunlight does not enter it?
What do you understand by candle power?
Write the names of some cold light-emitting objects.
Fill in the blank
Speed of light in vacuum is .................
Write true or false
The earth has its own light.
________ objects allow all the light to pass through them.
The mirror used in search light is ______.
