Grade 12th pass8 grade science
What is colour blindness ? Give reason for this defect ?
What is colour blindness ? Give reason for this defect ?
1 Answer
Pawan Prajapati
Some people cannot distinguish between the different colours. This is known as colour blindness. Colour blindness is due to the absence of cones on the nerve endings on the retina.
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I want complete notes on the chapter friction
In my book subtopics are:
Friction
Types of friction
Factors affecting friction
Methods of reducing friction
Methods of increasing friction
Advantages and disadvantages of friction
Some real life based situation where friction is applied.
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