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प्रश्न
Fill in the blank
Light consists of .............. colours.
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उत्तर
Light consists of seven colours.
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संबंधित प्रश्न
Fill in the blank.
A medium which allows light to pass through it easily is called the ...................
What do we call a body that shines on its own?
Write the names of some cold light-emitting objects.
Tick the correct answer.
Light causes
Tick the correct answer.
The natural source of light is
Fill in the blank
Speed of light in vacuum is .................
Write about two everyday situations that tell you that light travels in a straight line.
In going from a rarer to denser medium, the ray of light bends ______.
State Rayleigh’s law of scattering.
Using a pinhole camera a student observes the image of two of his friends, standing in sunlight, wearing yellow and red shirt respectively. What will be the colours of the shirts in the image?
