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प्रश्न
Fill in the blank
There are ........... and man-made ............ of light.
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उत्तर
There are natural and man-made sources of light.
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संबंधित प्रश्न
Write true or false of the following statement.
The moon is self-luminous.
Match the following columns
| Column A | Column B |
| a. Wooden block | i. new moon's day |
| b. Sun | ii. rectilinear propagation of light |
| c. Umbra | iii. opaque body |
| d. Eclipse | iv. luminous body |
| e. Solar eclipse | v. complete dark park |
What is light? Define it.
Fill in the blank
The brightness of light is measured in ...................
Fill in the blank
Speed of light in vacuum is .................
The angle of deviation of light ray in a prism depends on the angle of ______.
The path of the light is called as ______.
Velocity of light is greater in denser medium than in rarer medium
Light is a form of energy and it travels in a straight line.
Look at the figure given in the following figure.
Will there be any difference in the shadow formed on the screen in A and B.
