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प्रश्न
A ______ is an artificial source of light.
विकल्प
seven
star
through
transparent
opaque
colors
shape
erect
inverted
luminous
candle
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उत्तर
A candle is an artificial source of light.
संबंधित प्रश्न
Can light travel in vacuum?
Fill in the blank.
Light travels in a ................. path.
What is a transparent medium? Give two examples.
Explain the difference between a transparent, a translucent, and an opaque medium. Give two examples of each.
What do we call a substance through which we cannot see light? Give an example of such a substance.
Name a few living things which emit light.
Write the names of some cold light-emitting objects.
Tick the correct answer.
Light causes
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 |
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
