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प्रश्न
Name a few living things which emit light.
एका वाक्यात उत्तर
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उत्तर
Jugnu and firefly.
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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 |
Select the correct alternative.
The natural source of light is
List two artificial sources of light.
Can a transparent medium form an image? Explain your answer.
Tick the correct answer.
Light is a font of
Fill in the blank
There are ........... and man-made ............ of light.
Write whether of the following objects are luminous or non-luminous.
| Object | Luminous/Non-luminous |
| A book | |
| A burning candle | |
| A wax cloth | |
| A pencil | |
| A pen | |
| A light bulb | |
| A tyre | |
| A torch |
When a beam of white light passes through a prism it gets ______.
The angle of deviation of light ray in a prism depends on the angle of ______.
List any five properties of light.
