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प्रश्न
Answer the following.
Write down five man-made sources of light.
उत्तर
Electric bulb, torch, an oil lamp, fluorescent tube, candle.
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संबंधित प्रश्न
Fill in the blank.
Light gives us the sensation of ................
Select the correct alternative.
The natural source of light is
What is light? Define it.
Explain the difference between a transparent, a translucent, and an opaque medium. Give two examples of each.
What do we call a substance through which we cannot see light? Give an example of such a substance.
Tick the correct answer.
The natural source of light is
Fill in the blank
Speed of light in vacuum is .................
Answer the following.
Differentiate between luminous and non-Luminous objects.
The angle of deviation of light ray in a prism depends on the angle of ______.
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?
