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प्रश्न
Select the correct alternative.
The natural source of light is
पर्याय
candle flame
electric lamp
sun
kerosene lamp
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उत्तर
sun
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संबंधित प्रश्न
Can light travel in vacuum?
List two artificial sources of light.
Tick the correct answer.
A tube light is a
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
Answer the following.
Write down five man-made sources of light.
When a ______ object comes in the way of light, light passes ______ it.
A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is ______.
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?
A ray of the light incident along normal to the mirror ______ its path.
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?
