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Atoms and Nucle...

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  • Question 1
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  • Question 2
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    If r1 and r2, are the radii of the atomic nuclei of mass numbers 64 and 125 respectively, then the ratio (r1 /r2 ) is

  • Question 3
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    In the options given below, let E denotes the rest mass energy of a nucleus and n a neutron. The correct option is

  • Question 4
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    In γ - rays emission from a nucleus

  • Question 5
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    The volume of a nucleus is directly proportional to

  • Question 6
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    Li nucleus has three protons and four neutrons. Mass of lithium nucleus is 7.016005 amu. Mass of proton is 1.007277 amu and mass of neutron is 1.008665 amu. Mass defect for lithium nucleus in amu is

  • Question 7
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    Which of the following is not conserved n nuclear reaction?

  • Question 8
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    The number of α - particles and β - particles respectively. emitted in the reaction 88A196 →78B164 are

  • Question 9
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    The radius of a nucleus with atomic mass number 7 is 2 Fm. Find the radius of nucleus with atomic number 189.

  • Question 10
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    As mass number increases, surface area

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