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Answer the following questions : What ...

Answer the following questions :
What is lens ?

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The correct Answer is:
An astronomical telescope
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NAVNEET PUBLICATION-LENSES-EXERCISE
  1. Name the following : Name the instrument used to observe bacteria.

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  2. Name the following : Name the instrument used to observe planets .

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  3. Answer the following questions : What is lens ?

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  4. Answer the following questions : In which instruments have you seen a...

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  5. Answer the following questions : How is a lens different from a mirro...

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  6. Answer the following questions : Make a list of optical devices you k...

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  7. Answer the following questions : Do you know which is the natural opt...

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  8. Answer the following questions : What is convex lens ?

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  9. Answer the following questions : What is concave lens ?

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  10. Answer the following questions : Draw neat labelled diagrams : Types ...

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  11. Answer the following questions : In general, when a ray of light pass...

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  12. Answer the following questions : With reference to spherical lenses ,...

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  13. Answer the following questions : With reference to spherical lenses ,...

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  14. Answer the following questions : With reference to spherical lenses ,...

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  15. Answer the following questions : With reference to spherical lenses ,...

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  16. Answer the following questions : With reference to spherical lenses ,...

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  17. Answer the following questions : With reference to spherical lenses ,...

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  18. Answer the following questions : Draw a figure explaining various ter...

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  19. Answer the following questions : State the rules used for drawing ray...

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  20. Answer the following questions : Write any two rules used for drawing...

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