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प्रश्न
Name a few living things which emit light.
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उत्तर
Jugnu and firefly.
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संबंधित प्रश्न
Can light travel in vacuum?
Write true or false of the following statement.
The moon is self-luminous.
Write true or false of the following statement.
We can see an object through an opaque medium.
What do we call a body that shines on its own?
________ objects allow all the light to pass through them.
Mirrors change the direction of light that fall on them.
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 ______.
Velocity of light is greater in denser medium than in rarer medium
Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are, respectively
