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प्रश्न
What do we call an electric bulb producing light?
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उत्तर
Artificial source of light.
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संबंधित प्रश्न
Fill in the blank.
Light gives us the sensation of ................
Fill in the blank
A medium through which light cannot pass is called the ....................
What is light? Define it.
Tick the correct answer.
Substance which don’t allow light to pass through them,
Write true or false
The stars have no light.
Mirrors change the direction of light that fall on them.
Describe the pictures.
When a beam of white light passes through a prism it gets ______.
In going from a rarer to denser medium, the ray of light bends ______.
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?
