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NAND LAL PUBLICATION-THE HUMAN EYE AND THE COLOURFUL WORLD-EXERCISES
- The human eye can focus on objects different distances by adjusting th...
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- The human eye forms the image of an object at its
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- The least distance of distinct vision for a young adult with normal vi...
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- The change in focal length of an eye lens is caused by the action of t...
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- Why is a normal eye not able to see clearly the objects placed closer ...
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- What happens to the image distance in the eye when we increase the dis...
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- Explain atmospheric refraction.Why do stars twinkle?
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- Why planets do not appear twinkling?
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- Why does the sun appear reddish in the morning (as well as in evening)...
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- Why does the sky appears dark instead of blue to an astronaut?
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