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Modern Physics Test - 2

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Modern Physics Test - 2
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  • Question 1
    1 / -0

    During β – emission an electron is ejected from the atom of radioactive substance. The electron is ejected from:

  • Question 2
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    The atoms of same element having same atomic number, but different atomic masses are called:

  • Question 3
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    A radioactive nucleus emits a certain type of radiation. A particle with the same mass as before but an increased atomic number of one is emitted. Determine the particle’s identity.

  • Question 4
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    The least penetrating radiation is:

  • Question 5
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    An alpha particle gains two electrons. In doing so, it changes to:

  • Question 6
    1 / -0

    When an element gives out high energy radiations on its own, the change which takes place is:

  • Question 7
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    Which of the following radiation gets deflected most in an electric or magnetic field?

  • Question 8
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    By emitting an electron, a neutron may change into a ____________.

  • Question 9
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    The speed of γ– radiations is about:

  • Question 10
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    Three types of radioactive elements are emitted when unstable nuclei undergo radioactive decay. Which of the following is not one of them?

  • Question 11
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    The radiation suffering the maximum deflection in a magnetic field is:

  • Question 12
    1 / -0

    Which of the following is correct ascending order of speed of the given particles?

  • Question 13
    1 / -0

    The atomic number (Z) of any element means

  • Question 14
    1 / -0

    The number of protons or atomic number is reduced to 2 by which form of radioactive decay?

  • Question 15
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    The atomic number is not changed by which type of radioactive decay?

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