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Who invented electron microscope ?...

Who invented electron microscope ?

A

Janssen

B

Edison

C

Knoll and Ruska

D

Landsteiner

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Knowledge Check

  • The modern electron microscope is usually of "_____________" type.

    A
    reflection
    B
    diffraction
    C
    polarization
    D
    transmission

  • What leads to the development of electron microscope?

    A
    The finding of velocity of electron
    B
    The finding of particle nature of electron
    C
    The finding of wave nature of electron
    D
    None of these above

  • The third electromagnet put in the path of an electron beam in an electron microscope is called "_____________" .

    A
    projector magnetic lens
    B
    accelerator
    C
    velocity selector
    D
    oscilloscope

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    Name the two kinds of electron microscopes.

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    Electrons used in an electron microscope are accelerated by a voltage 25 kv. If the voltages increased to 100 kv then the'de-Broglie wavelength associated with the electrons would:

    Which of the following electron opaque chemical is used in electron microscope?

    "_____________" is the only disadvantage of electron microscope

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