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प्रश्न
Answer the following.
List four natural sources of light.
एका वाक्यात उत्तर
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उत्तर
Sun, stars, jugnu, firefly.
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संबंधित प्रश्न
Write true or false of the following statement.
Light travels in a straight-line path.
Fill in the blank.
Light gives us the sensation of ................
How does light make an object visible?
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.
Name a few living things which emit light.
Fill in the blank
There are ........... and man-made ............ of light.
A ______ is a natural source of light.
Speed of light in air is 3 × 108 m s–1 and the refractive index of a medium is 1.5. Find the speed of light in the medium.
List any five properties of light.
