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प्रश्न
Select the correct alternative.
The natural source of light is
विकल्प
candle flame
electric lamp
sun
kerosene lamp
उत्तर
sun
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संबंधित प्रश्न
Write true or false of the following statement.
We can see an object through an opaque medium.
Fill in the blank.
A medium which allows light to pass through it easily is called the ...................
Name a few living things which emit light.
Fill in the blank
There are ........... and man-made ............ of light.
Fill in the blank
Speed of light in vacuum is .................
Write true or false
The stars have no light.
Answer the following.
List two transparent objects.
Answer the following.
Differentiate between luminous and non-Luminous objects.
When light passes through a prism, it gets separated into ______ colours.
State whether true or false. If false, correct the statement.
If a ray of light passes obliquely from one medium to another, it does not suffer any deviation.
