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प्रश्न
What do you understand by candle power?
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उत्तर
To measure the brightness of light in comparison with the brightness of a candle. The unit of candle power is used.
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संबंधित प्रश्न
Fill in the blank
A medium through which light cannot pass is called the ....................
Fill in the blank.
Light travels in a ................. path.
Name two natural sources of light.
What do we call a substance through which light passes? Give an example of such a substance.
Name any four man made sources of light.
Name a few living things which emit light.
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
Choose the translucent substance from the following
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.
The mirror used in search light is ______.
