NEET Physics MCQ: NCERT Bohr Model | NEET.Guide Questions

1.

A diatomic molecule is made of two masses ${m_1}$ and ${m_2}$ which are separated by a distance $r$ . If we calculate its rotational energy by applying Bohr’s rule of angular momentum quantization, its energy will be given by ( $n$ 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^2}

D

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

Question Tags

📚 Subject:Physics

📑 Chapter:Nuclei

🎯Topic:Bohr'S Model Of Atom

🎓 Ncert Level:Application

🎯Difficulty :Hard

⚡ Time Required :3 mins

🔄Ncert Concepts :Reduced mass, Rotational energy, Bohr's quantization rule, Angular momentum

2.

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

A

$\frac{{{{\left( {{m_1} + {m_2}} \right)}^2}{n^2}{h^2}}}{{2\,m_1^2\,m_2^2{r^2}}}$

B

$\frac{{{n^2}{h^2}}}{{2\left( {{m_1} + {m_2}} \right){r^2}}}$

C

$\frac{{2\,{n^2}{h^2}}}{{\left( {{m_1} + {m_2}} \right){r^2}}}$

D

$\frac{{{{\left( {{m_1} + {m_2}} \right)}^{}}{n^2}{h^2}}}{{2\,{m_1}\,{m_2}{r^2}}}$

Question Tags

📚 Subject:Physics

📑 Chapter:Atoms

🎯Topic:Bohr'S Model Of Atom

🎓 Ncert Level:Application

🎯Difficulty :Hard

⚡ Time Required :3 mins

🔄Ncert Concepts :Reduced Mass, Rotational Energy, Bohr's Quantization Rule, Angular Momentum

3.

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

A

$\frac{{{{\left( {{m_1} + {m_2}} \right)}^2}{n^2}{h^2}}}{{2\,m_1^2\,m_2^2{r^2}}}$

B

$\frac{{{n^2}{h^2}}}{{2\left( {{m_1} + {m_2}} \right){r^2}}}$

C

$\frac{{2\,{n^2}{h^2}}}{{\left( {{m_1} + {m_2}} \right){r^2}}}$

D

$\frac{{{{\left( {{m_1} + {m_2}} \right)}^{}}{n^2}{h^2}}}{{2\,{m_1}\,{m_2}{r^2}}}$

Question Tags

📚 Subject:Physics

📑 Chapter:Nuclei

🎯Topic:Bohr'S Model Of Atom

🎓 Ncert Level:Application

🎯Difficulty :Hard

⚡ Time Required :3 mins

🔄Ncert Concepts :Reduced mass, Rotational energy, Bohr's quantization rule

4.

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