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Atoms and Nucle...

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  • Question 1
    4 / -1

    The energy of electron in the nth orbit of hydogen atom is expressed as

  • Question 2
    4 / -1

  • Question 3
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  • Question 4
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  • Question 5
    4 / -1

    It the radius of a nucleus of mass number 3 is R. then the radius of a nucieus of mass mumber 81 is

  • Question 6
    4 / -1

    An electron change its Position from orbit n = 4 to the orbit n = 2 of an atom the wave length of emitted radition in the form of R (where R is Redburg constant)

  • Question 7
    4 / -1

    The control rod in a nuclear reactor is made of

  • Question 8
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    which of the following isotopes normally fissonable

  • Question 9
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    which of the following statement is true

  • Question 10
    4 / -1

    A Free neutron decays into a Proton, an electron and

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