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प्रश्न
Fill in the blank
Speed of light in vacuum is .................
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उत्तर
Speed of light in vacuum is 300000 km/sec
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संबंधित प्रश्न
Write true or false of the following statement.
The moon is a natural source of light.
Write true or false of the following statement.
Light travels in a straight-line path.
Fill in the blank.
The sun is a ............... source of light.
What do we call an electric bulb producing light?
Answer the following.
List four natural sources of light.
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.
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State whether the following statement is True or False.
An object can be seen only if it emits light
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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.
