Blue colour of the sky is due to the phenomenon of
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Blue colour of the sky is due to the phenomenon of
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With both eyes open, a person’s field of view is about
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The star appear shifted from their actual position due to the phenomenon of
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A man finds it difficult to read the odometer on the dashboard of the car but is able to clearly read a distant road sign
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When a beam of white light falls on a glass prism, the colour of light which will deviate least is
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A person cannot see the distant objects clearly (though he can see the nearby objects clearly). He is suffering from the defect of vision called
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A got his eye tested. The optician’s prescription for the spectacles was
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Astigmatism usually is caused by an irregularly shaped cornea
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How eyes adjust in order to focus the image of near or distant objects on retina?
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The term “accommodation” as applied to the eye, refers to its ability to
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Only organism with two pupils in each eye is
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Deficiency of vitamin A in the body results in insufficient rhodopsin in the rods which leads to
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