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12th Odisha Board
IMPORTANT
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The binding energy of the hydrogen atom (the energy binding electrons to the nucleus ) is:

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Important Questions on Atomic Physics

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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 132
In the Bohr's model, electrons revolve around in orbits known as:
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 133
The frequency of revolution of an electron in nth circular Bohr orbit of hydrogen atom is :
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 134
The hydrogen atom in a sample are in excited state, described by n=3. The number of spectral line in the emission spectrum will be :
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 135
When alpha particles are passed through thin foils:
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 136
In Rutherford's experiment, the alpha particles that come closer to the nuclei are deflected more:
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 137
Consider an electron in nth orbit of a hydrogen atom in Bohr's model. The circumference of the orbit can be expressed in terms of de-Broglie wavelength λ as;
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 138
A hydrogen atom remains in it's ground state when electron
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 139
Any model of the atom must incorporate certain basic requirements. Which one of the following is not a basic requirement: