NEET Physics Nuclei MCQs

    Prepare for NEET Physics Nuclei with MCQs & PYQs on NEET.GUIDE. Enjoy free practice, previous year questions, and expert explanations to understand nuclear structure and reactions.

    NEET Questions / Physics / Nuclei

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    Alpha Ray Scattering
    Bohr'S Model Of Atom
    Atomic Specta
    X-Rays
    1.

    An Electron is revolving around nucleus of charge Ze, if 40.8 eV of energy needed to excite an electron from n=1 to n=2 state. What is value of Z?

    A

    2

    B

    3

    C

    4

    D

    5

    Question Tags

    πŸ“š Subject:Physics
    πŸ“‘ Chapter:Nuclei
    🎯Topic:Atomic Specta
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :3 mins
    πŸ”„Ncert Concepts :Bohr's model, Energy levels of hydrogen-like atoms, ionization energy
    2.

    An Electron is revolving around nucleus of charge Ze, if 40.8 eV of energy needed to excite an electron from n=1 to n=2 state. What is value of Z?

    A

    2

    B

    3

    C

    4

    D

    5

    Question Tags

    πŸ“š Subject:Physics
    πŸ“‘ Chapter:Nuclei
    🎯Topic:Atomic Specta
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Bohr's model, energy levels, atomic number
    3.

    An Electron is revolving around nucleus of charge Ze, if 40.8 eV of energy needed to excite an electron from n=1 to n=2 state. What is value of Z?

    A

    2

    B

    3

    C

    4

    D

    5

    Question Tags

    πŸ“š Subject:Physics
    πŸ“‘ Chapter:Nuclei
    🎯Topic:Atomic Specta
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Bohr's model, energy levels, atomic number
    4.

    In Bohr’s model of hydrogen atom, which of the following represents the variation of nth orbit radius with n?

    A

    rn∝n3{r_n} \propto {n^3}

    B

    rn∝n{r_n} \propto n

    C

    rn∝n4{r_n} \propto {n^4}

    D

    rn∝n2{r_n} \propto {n^2}

    Question Tags

    πŸ“š Subject:Physics
    πŸ“‘ Chapter:Nuclei
    🎯Topic:Atomic Specta
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Bohr's model, atomic radius, quantum numbers
    5.

    In Bohr’s model of hydrogen atom, which of the following represents the variation of nth orbit radius with n?

    A

    rn∝n3{r_n} \propto {n^3}

    B

    rn∝n{r_n} \propto n

    C

    rn∝n4{r_n} \propto {n^4}

    D

    rn∝n2{r_n} \propto {n^2}

    Question Tags

    πŸ“š Subject:Physics
    πŸ“‘ Chapter:Nuclei
    🎯Topic:Atomic Specta
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Bohr's model, atomic radius, quantum number
    6.

    In Bohr’s model of hydrogen atom, which of the following represents the variation of nth orbit radius with n?

    A

    rn∝n3{r_n} \propto {n^3}

    B

    rn∝n{r_n} \propto n

    C

    rn∝n4{r_n} \propto {n^4}

    D

    rn∝n2{r_n} \propto {n^2}

    Question Tags

    πŸ“š Subject:Physics
    πŸ“‘ Chapter:Nuclei
    🎯Topic:Atomic Specta
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Bohr's model, atomic radius, quantum number
    7.

    In Bohr’s model of hydrogen atom, which of the following represents the variation of nth orbit radius with n?

    A

    rn∝n3{r_n} \propto {n^3}

    B

    rn∝n{r_n} \propto n

    C

    rn∝n4{r_n} \propto {n^4}

    D

    rn∝n2{r_n} \propto {n^2}

    Question Tags

    πŸ“š Subject:Physics
    πŸ“‘ Chapter:Nuclei
    🎯Topic:Atomic Specta
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Bohr's model, atomic radius, quantum number
    8.

    A diatomic molecule is made of two masses m1{m_1} and m2{m_2} which are separated by a distance rr. If we calculate its rotational energy by applying Bohr’s rule of angular momentum quantization, its energy will be given by (nn is an integer)

    A

    \frac{n^2 h^2 (m_1 + m_2)}{8\pi^2 m_1 m_2 r^2}

    B

    \frac{n^2 h^2}{8\pi^2 m_1 m_2 r^2}

    C

    \frac{n^2 h^2 (m_1 + m_2)}{4\pi^2 m_1 m_2 r}

    D

    \frac{n^2 h^2}{8\pi^2 (m_1 + m_2) r^2}

    Question Tags

    πŸ“š Subject:Physics
    πŸ“‘ Chapter:Nuclei
    🎯Topic:Bohr'S Model Of Atom
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Hard
    ⚑ Time Required :3 mins
    πŸ”„Ncert Concepts :Reduced mass, Rotational energy, Angular momentum quantization, Bohr's model
    9.

    Energy of electron in an orbit of HH-atom is

    A

    Positive

    B

    Negative

    C

    Zero

    D

    Nothing can be said

    Question Tags

    πŸ“š Subject:Physics
    πŸ“‘ Chapter:Nuclei
    🎯Topic:Bohr'S Model Of Atom
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Bohr's model, energy levels, potential energy, kinetic energy
    10.

    The radius of the first (lowest) orbit of the hydrogen atom is a0{a_0}. The radius of the second (next higher) orbit will be

    A

    4 a04\,{a_0}

    B

    6 a06\,{a_0}

    C

    8 a08\,{a_0}

    D

    10 a010\,{a_0}

    Question Tags

    πŸ“š Subject:Physics
    πŸ“‘ Chapter:Nuclei
    🎯Topic:Bohr'S Model Of Atom
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Bohr's model, atomic radius, energy levels

    Showing 1 to 10 of 80 entries

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