Self Studies

Ray Optics and ...

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  • Question 1
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    How much water should be filled in a container 21 cm in height, so that it appears half filled when viewed from the top of the container? 
    (Refractive index of water =43 \displaystyle \frac { 4 }{ 3 } )

  • Question 2
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    What type of lens from the following would you have in your magnifying lens to read a page in small print ?

  • Question 3
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    In which of the following the final image is erect ?

  • Question 4
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    The relation among uu, vv and ff for a mirror is:

  • Question 5
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    One cannot see through fog because .......... .

  • Question 6
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    Which of the following cannot be seen by a microscope ?

  • Question 7
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    A fisherman is standing on the bank of a lake. To a fish underwater viewing obliquely the man looks:

  • Question 8
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    How should people wearing spectacles work with a microscope ? 

  • Question 9
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    How should people wearing spectacles work with a microscope?

  • Question 10
    1 / -0

    For reading small letters with a lens

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