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Atoms, Nuclei &...

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  • Question 1
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    How many isotopes does hydrogen have?

  • Question 2
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    The process of nuclear fusion in the sun requires

  • Question 3
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    In the Rutherford atomic model, alpha particles are bombarded at ________.

  • Question 4
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    Bohr's orbits are called stationary, because ________.

  • Question 5
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    Which series of hydrogen spectrum corresponds to ultraviolet region?

  • Question 6
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    The binding energy of the deuterium is 2.23 MeV. The mass defect in amu is

  • Question 7
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    A nucleus X sequentially emits an α-particle followed by two β-particles. The final nucleus will be

  • Question 8
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    In the given nuclear reaction 21584Po →21182Pb + X , what is X?

  • Question 9
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    Relation between half life (T) and decay constant (T0) for a radioactive element is:

  • Question 10
    1 / -0.25

    If the half life time of a radioactive material is 3 hours. What will be its quantity after 9 hours?

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