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प्रश्न
Answer the following.
Write down five man-made sources of light.
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उत्तर
Electric bulb, torch, an oil lamp, fluorescent tube, candle.
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संबंधित प्रश्न
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
Tick the correct answer
Glass is
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
Write true or false
Opaque objects do not allow light to pass through them.
Answer the following.
What is light?
When light passes through a prism, it gets separated into ______ colours.
Light travels only in a______ It is because of this property that______ are formed.
Velocity of light is greater in denser medium than in rarer medium
What is light?
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.
