The Human Eye and Colourful World
Votes & Answers
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What type of lens is used to correct (a) hypermetropia (b) myopia?
By Deepak Rock, 4 years ago
replies 1
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246
Which defect of vision can be rectified : (a) by using a concave lens? (b) by using a conv...
By Deepak Rock, 4 years ago
replies 1
0
1
129
Name the defect of vision in a person : (a) whose near point is more than 25 cm away. (b) ...
By Deepak Rock, 4 years ago
replies 1
0
1
92
Name one of the common defects of vision and the type of lens used to remove it.
By Deepak Rock, 4 years ago
replies 1
0
1
107
Nocturnal animals (animals which sleep during the day and come out at night) tend to have ...
By Deepak Rock, 4 years ago
replies 1
0
1
98
Explain why, when it is getting dark at night, it is impossible to make out the colour of ...
By Deepak Rock, 4 years ago
replies 1
0
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91
Why does the eye-lens not have to do all the work of converging incoming light rays?
By Deepak Rock, 4 years ago
replies 1
0
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100
An object is moved closer to an eye. What changes must take place in the eye in order to k...
By Deepak Rock, 4 years ago
replies 1
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122
Which parts of the eye cause rays of light to converge on the retina? (b) Which part cause...
By Deepak Rock, 4 years ago
replies 1
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