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In Bohr's atomic model, the electrons do not fall into the nucleus because

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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 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
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 52
The linear speed of an electron in Bohr's orbit is inversely proportional to
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 53
The ratio of the velocity of the electron in the first orbit to that in the second orbit is
 
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 54
The ratio between areas of Bohr's first three orbits of the hydrogen atom are
 
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 55
Quantum condition is expressed as