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प्रश्न
Write true or false
The stars have no light.
विकल्प
True
False
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उत्तर
False
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संबंधित प्रश्न
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
What do you understand by candle power?
Tick the correct answer.
Light causes
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Substance which don’t allow light to pass through them,
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A ............. is formed when the path of light is obstructed by an ..............
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Speed of light in vacuum is .................
Answer the following.
List four natural sources of light.
Describe the pictures.
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
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