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प्रश्न
Amount of light entering into the eye is controlled by ______.
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उत्तर
Amount of light entering into the eye is controlled by Iris.
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संबंधित प्रश्न
Write true or false of the following statement.
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Light travels in a ................. path.
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The brightness of light is measured in ...................
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Speed of light in vacuum is .................
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Observe the picture given in the following figure carefully.
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Look at the figure given in the following figure.
Will there be any difference in the shadow formed on the screen in A and B.
