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प्रश्न
A ______ is an artificial source of light.
पर्याय
seven
star
through
transparent
opaque
colors
shape
erect
inverted
luminous
candle
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उत्तर
A candle is an artificial source of light.
संबंधित प्रश्न
Select the correct alternative.
The natural source of light is
Select the correct alternative.
The luminous body is
Why do objects in a room become visible even if sunlight does not enter it?
Write the names of some transparent objects.
Fill in the blank
Light consists of .............. colours.
Answer the following.
List four natural sources of light.
Answer the following.
Name some sources of light that are not hot.
A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is ______.
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.
Observe the picture given in the following figure carefully.
A patch of light is obtained at B, when the torch is lighted as shown. Which of the following is kept at position A to get this patch of light?
