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प्रश्न
Answer the following.
Name some sources of light that are not hot.
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उत्तर
Moon, jugnu.
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संबंधित प्रश्न
Write true or false of the following statement.
The moon is self-luminous.
What is light? Define it.
What do we call a body that shines on its own?
Name a few living things which emit light.
From among the following objects, list out the opaque, translucent, and transparent bodies in the space provided below:
A glass strip, an ordinary paper, greased paper, tracing paper, polythene sheet, wooden piece, steel plate, glycerine, kerosene oil, mustard oil, grounded glass, stone, book, water, and milk.
Opaque Transparent Translucent
Write the names of some transparent objects.
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 ______.
State Rayleigh’s law of scattering.
