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LAKHMIR SINGH & MANJIT KAUR-THE HUMAN EYE AND THE COLOURFUL WORLD -NCERT Book
- A person with a myopic eye cannot see objects beyond 1.2 m distinctly....
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- A student has difficulty reading the blackboard while sitting in the l...
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- 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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- The change in focal length of an eye lens is caused by the action of t...
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- A person needs a lens of power -5.5 dioptres for correcting his...
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- The far point of a myopic person is 80 cm in front of the eye. What is...
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- (a) Make a diagram to show how hypermetropia is corrected (b) T...
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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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- Why does the sun appear reddish early in the morning ? Will this pheno...
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- Why does the sky appear dark instead of blue to an astronaut ?
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