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Earn 100

The proof of quantization of energy states in an atom is obtained by the experiment performed by

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Important Questions on Atoms, Molecules and Nuclei

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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 44
If the binding energy of the electron in a hydrogen atom is 13.6eV, the energy required to remove the electron from the first excited state of Li++ is
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 45
According to Bohr's atomic model, the electrons revolve around the nucleus in
 
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 46
In Bohr's atomic model, the lowest orbit corresponds to
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 47
In Bohr's atomic model, the electrons do not fall into the nucleus because
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 48
According to Bohr's postulates, which of the following quantities takes discrete values?
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 49
The orbital frequency of an electron, if hydrogen atom is proportional to (n is the principal quantum number)
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 50

Assertion: In outermost stationary orbit, energy of electron is maximum.

Reason: In such an orbit, electron is at minimum distance from the nucleus.

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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 51
The ratio of the radius of the first orbit to that of the second orbit of the orbital electron is