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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
Select the correct alternative.
The natural source of light is
List two artificial sources of light.
Write the names of some transparent objects.
Tick the correct answer.
A tube light is a
Answer the following.
List four natural sources of light.
Answer the following.
Name some sources of light that are not hot.
Describe the pictures.
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.
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?
Velocity of light is greater in denser medium than in rarer medium
