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प्रश्न
List two artificial sources of light.
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उत्तर
Electric bulb, torch, an oil lamp, fluorescent tube, candle.
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संबंधित प्रश्न
Fill in the blank.
The sun is a ............... source of light.
Fill in the blank
A medium through which light cannot pass is called the ....................
Fill in the blank.
A medium which allows light to pass through it easily is called the ...................
The sun and ______ are the natural sources of light.
Answer the following.
Write down five man-made sources of light.
Answer the following.
Name some sources of light that are not hot.
When a beam of white light passes through a prism it gets ______.
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?
