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The magnifying power of an astronomical ...

The magnifying power of an astronomical telescope in the normal adjustment position is 20.If the length of the telescope is 105 cm in this adujustment ,find the focal lengths of the two lenses.

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MODERN PUBLICATION-Optical Instruments-EXERCISE
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  5. What is hypermetropia?

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  6. What is Accomodation of eye? Write various defects of vision and their...

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  7. What is th magnification produced by a single convex lens used as simp...

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  8. Explain the working of simple microscope and find an expression for it...

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  9. Draw a ray diagram to show image formation in a compound microscope. F...

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  10. Explain the working of simple microscope and find an expression for it...

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  11. Explain the working of simple microscope and find an expression for it...

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  12. Explain the working of simple microscope and find an expression for it...

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  13. Explain the working of simple microscope and find an expression for it...

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  14. What is a microscope? Explain simple microscope. Calculate its magnify...

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  15. Draw a labelled ray diagram of a compound microscope. Explain its work...

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  16. Explain the working of simple microscope and find an expression for it...

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  17. Define the magnifying power of compound microscope.

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  18. Draw a ray diagram to show image formation in a compound microscope. F...

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  19. Draw a labelled ray diagram of a compound microscope. Explain its work...

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  20. Draw a ray diagram to show image formation in a compound microscope. F...

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  21. with the help of labelled diagram, explain the formation of final imag...

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