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Dual Nature of ...

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  • Question 1
    4 / -1

    An electron is moving with constant velocity along x-axis. If a uniform electric field is applied along y-axis, then its path in the x-y plane will be

  • Question 2
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    Cathode rays are similar to visible light rays as

  • Question 3
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    Which of the following devices makes use of the electrons to strike certain substances to produce fluorescence ?

  • Question 4
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    An oxide coated filament is useful in vacuum tubes because essentially

  • Question 5
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    Gases begin to conduct electricity at low pressure because

  • Question 6
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    Kinetic energy of emitted cathode rays is dependent on

  • Question 7
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    The radius of the orbital of electron in the hydrogen atom is 0.5 Å. The speed of the electron is 2 ×106 m/s. Then the current in the loop due to the motion of the electron is

  • Question 8
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    Cathode rays and canal rays produced in a certain discharge tube are deflected in the same direction if

  • Question 9
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    A metal plate gets heated when cathode rays strike against it due to

  • Question 10
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    In Millikan\'s experiment, an oil drop having charge q gets stationary on applying a potential difference V in between two plates separated by a distance ‘d\'. The weight of the drop is

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