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What is colour blindness?...

What is colour blindness?

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NAVNEET PUBLICATION-LENSES-EXERCISE
  1. Answer the following questions : Explain in short perception of colou...

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  2. Answer the following questions : Write a note on perception of colour...

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  3. What is colour blindness?

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  4. Answer the following questions : What are some persons colour- blind?...

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  5. Answer the following questions : What are the difficulties faced by a...

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  6. Give scientific reasons : A convex lens is known as a converging len...

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  7. Give scientific reasons : A concave lens is known as a diverging len...

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  8. Give scientific reasons: Simple microscope is used for watch repair

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  9. Give scientific reasons : Watch repairers use a magnifying glass.

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  10. Give scientific reasons : In old age, a bifocal lens is necessary fo...

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  11. Give scientific reasons : A person suffering from myopia (nearsighte...

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  12. Give scientific reasons : A person suffering from hypermetropia (far...

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  13. Give scientific reasons : You cannot enjoy watching a movie from a v...

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  14. Give scientific reasons : We cannot clearly see an object kept at a ...

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  15. Give scientific reasons : One can sense colours only in bright light...

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  16. Give scientific reasons : The rays of light travelling through the o...

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  17. Give scientific reasons : A convex lens converges the rays of light ...

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  18. Give scientific reasons : A concave lens diverges the rays of light ...

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  19. Give scientific reasons : When a burning stick of incense is moved f...

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  20. Give scientific reasons : Colour- blind persons are unable to distin...

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