What type of image is formed by the eye lens on the retina?
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When white light enters a glass prism from air, the angle of deviation is least for
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The amount of light entering the eye can be controlled by the
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When white light enters a glass prism from air, the angle of deviation is maximum for
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At noon, the Sun appears white as
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The splitting of white light into different colours on passing through a prism is called
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The clear sky appears blue because
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One cannot see through the fog, because
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Twinkling of stars is due to atmospheric
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At noon the sun appears white as
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A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power
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The deflection of light by minute particles and molecules of the atmosphere in all direction is called ____________ of light
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