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PRADEEP-THE HUMAN EYE AND COLOURFUL WORLD-NCERT Exercise
- The human eye can focus objects at different distances by adjusting th...
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- The human eye forms the image of an object at its
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- What is the least distance of distinct vision for a normal eye ? Is it...
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- The change in focal length of an eye lens is caused by the action of t...
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- A person wears eye glasses with a power of -5.5 D for distance viewing...
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- (a) The far point of a myopic person is 80 cm. In front of the eye. Wh...
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- Make a diagram to show how hypermetropia is corrected. The near point ...
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- Why is normal eye not able to see clearly the objects placed closer th...
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- What happens to the image distance in the eye when we increase the dis...
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- Why do stars twinkle?
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- Planets do not twinkle.
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- The sun looks reddish at the time of sunrise and sunset.
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- To an astronaut is a spcaceship, the sky appears
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