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LAKHMIR SINGH & MANJIT KAUR-THE HUMAN EYE AND THE COLOURFUL WORLD -Exercise
- What is the range of vision of a normal human eye ?
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- Name the part of our eyes which helps us to focus near and distant obj...
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- Define the term "power of accommodation" of human eye.
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- Give the scientific names of the following parts of the eye : (a) ca...
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- Fill in the following blanks with suitable words : (a) Most of the r...
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- Why is normal eye not able to see clearly the objects placed closer th...
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- What changes take place in the shape of eye-lens : (a) when the eye ...
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- The eye of a person are focused (i) on a nearby object, and (ii) on a ...
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- What change is made in the eye to enable it to focus on objects situat...
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- How is the amount of light entering the eye controlled ?
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- What happens to the eye when you enter a darkened cinema hall from bri...
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- Why does it take some time to see objects in a dim room when you enter...
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- A person walking in a dark corridor enters into a brightly lit room : ...
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- Ciliary muscles of human eye can contract or relax. How does it help i...
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- Describe and explain, how a normal eye can see objects lying at variou...
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- There are two types of light-sensitive cells in the human eye : (a) ...
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- What are rods and cones in the retina of an eye ? Why is our night vis...
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- (a) How does the convex eye-lens differ from the ordinary convex lens ...
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- (a) What happens to the size of pupil of our eye (i) in dim light (ii)...
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- (a) Draw a simple diagram of the human eye and lebel clearly the corne...
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