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9th CBSE
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Why Bohr's orbits are called stationary states?

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Important Questions on Structure of Atom

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9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 9 - Structure of Atom>Practice Questions
Which atom does not have any neutron in the nucleus?
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9th CBSE
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The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 9 - Structure of Atom>Practice Questions
When alpha particles are sent through a thin metal foil, most of them go straight through the foil because?
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9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 9 - Structure of Atom>Practice Questions
Rutherford's scattering experiment showed for the first time that the atom has:
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9th CBSE
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The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 9 - Structure of Atom>Practice Questions
Why does a mica wheel mounted on an axle and placed in the path of cathode rays begin to rotate when cathode rays fall in?
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9th CBSE
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The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 9 - Structure of Atom>Practice Questions
If K and L shells of an atom are full, then what would be the total number of electrons in the atom?
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9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 9 - Structure of Atom>Practice Questions
Which of the following statement is not correct?
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9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 9 - Structure of Atom>Practice Questions
Which symbols are used to represent different Bohr's orbit?
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9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 9 - Structure of Atom>Practice Questions
What happens in the discharge tube if a high voltage is applied at the gas pressure of one atmosphere?