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Dual Nature of ...

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  • Question 1
    4 / -1

    A beam of electrons is moving with constant velocity in a region having electric and magnetic fields of strength 20 Vm–1 and 0.5 T at right angles to the direction of motion of the electrons. What is the velocity of the electrons?

  • Question 2
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    Kinetic energy of emitted cathode rays is dependent on

  • Question 3
    4 / -1

    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 4
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    The kinetic energy of an electron which is accelerated through a potential of 100 volts is

  • Question 5
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    When a proton is accelerated with 1 volt potential difference, then its kinetic energy is

  • Question 6
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    Energy of electrons can be increased by allowing them

  • Question 7
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    Cathode rays and canal rays produced in a certain discharge tube are deflected in the same direction if

  • Question 8
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    Velocity ratio of the two cathode rays is 1 : 2. They are applied to the same electric field. What is the deflection ratio of the two cathode rays

  • Question 9
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  • Question 10
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    Cathode rays are

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