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प्रश्न
List two artificial sources of light.
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उत्तर
Electric bulb, torch, an oil lamp, fluorescent tube, candle.
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संबंधित प्रश्न
Can light travel in vacuum?
Write true or false of the following statement.
Light travels in a straight-line path.
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
What do we call a substance through which we cannot see light? Give an example of such a substance.
Name a few living things which emit light.
Fill in the blank
The brightness of light is measured in ...................
The path of the light is called as ______.
What happens to light when it gets dispersed? Give an example.
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
Light is a form of energy and it travels in a straight line.
