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प्रश्न
Tick the correct answer.
The natural source of light is
विकल्प
Sun
Electric lamp
Candle flame
Kerosene lamp
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उत्तर
Sun
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संबंधित प्रश्न
Write true or false of the following statement.
We can see an object through an opaque medium.
What do we call an electric bulb producing light?
What do we call a substance through which light passes? Give an example of such a substance.
Can a transparent medium form an image? Explain your answer.
From among the following objects, list out the opaque, translucent, and transparent bodies in the space provided below:
A glass strip, an ordinary paper, greased paper, tracing paper, polythene sheet, wooden piece, steel plate, glycerine, kerosene oil, mustard oil, grounded glass, stone, book, water, and milk.
Opaque Transparent Translucent
Write the names of some cold light-emitting objects.
Fill in the blank
Light consists of .............. colours.
Answer the following.
List two transparent objects.
Answer the following.
Name some sources of light that are not hot.
If VB, VG, VR be the velocity of blue, green, and red light respectively in a glass prism, then which of the following statement gives the correct relation?
