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Anil cannot see the blackboard writing c...

Anil cannot see the blackboard writing clearly, but he can see nearby objects clearly.
How is it corrected?

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Anil cannot see the blackboard writing clearly, but he can see nearby objects clearly.
it is correted using spectacles having concave lenses of appropriate power .
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-LENSES-Answer the following questions :
  1. What is a bifocal lens ?

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  2. Anil cannot see the blackboard writing clearly, but he can see nearby ...

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  3. Anil cannot see the blackboard writing clearly, but he can see nearby ...

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  4. Anil’s uncle cannot see nearby objects clearly, but he can see...

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  5. Anil’s uncle cannot see nearby objects clearly, but he can see...

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  6. When are bifocal lenses used in spectacles?

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  7. Aniket from Std. X uses spectacles. The power of the lenses in his ...

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  8. Aniket from Std. X uses spectacles. The power of the lenses in his ...

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  9. Aniket from Std. X uses spectacles. The power of the lenses in his ...

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  10. Sunita from std. X uses spectacles . Her spectacle number is -1.5 D . ...

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  11. Sunita from std. X uses spectacles . Her spectacle number is -1.5 D . ...

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  12. Sunita from std. X uses spectacles . Her spectacle number is -1.5 D . ...

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  13. Surabhi from Std. X uses spectacles. The power of the lenses in her sp...

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  14. Surabhi from Std. X uses spectacles. The power of the lenses in her sp...

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  15. Surabhi from Std. X uses spectacles. The power of the lenses in her sp...

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  16. My grandfather uses a bifocal lens in his spectacles. Explain why.

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  17. State used of a concave lens.

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  18. State used of a convex lens.

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  19. What is meant by the apparent size of an object ? With a neat and labe...

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  20. With a neat labelled diagram, explain the working of a simle microscop...

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