EASY
JEE Main/Advance
IMPORTANT
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If velocity of an electron in 1st  orbit of H atom is V, what will be the velocity of 3rd  orbit of Li+2 -

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Important Questions on Structure of Atom

EASY
JEE Main/Advance
IMPORTANT
The spectrum of He+ is expected to be similar to that of
EASY
JEE Main/Advance
IMPORTANT
In which transition, one quantum of energy is emitted?
MEDIUM
JEE Main/Advance
IMPORTANT
Choose the correct relations on the basis of Bohr's theory.
EASY
JEE Main/Advance
IMPORTANT
The magnitude of the spin angular momentum of an electron is given by;
MEDIUM
JEE Main/Advance
IMPORTANT
The change in angular momentum corresponding to an electron in Balmer transition inside a hydrogen atom can be:
MEDIUM
JEE Main/Advance
IMPORTANT
The sum of the number of neutrons and protons in the isotopes of hydrogen is :
MEDIUM
JEE Main/Advance
IMPORTANT
Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon:-
HARD
JEE Main/Advance
IMPORTANT
Correct set of four quantum numbers for valence electron of rubidium (Z=37) is :-