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प्रश्न
Write true or false of the following statement.
Light travels in a straight-line path.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Can light travel in vacuum?
Select the correct alternative.
The natural source of light is
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
What is a transparent medium? Give two examples.
What do we call a substance through which light passes? Give an example of such a substance.
Fill in the blank
There are ........... and man-made ............ of light.
Answer the following.
What is meant by luminous intensity? What is one lumen?
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.
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
Amount of light entering into the eye is controlled by ______.
