MEDIUM
JEE Main/Advance
IMPORTANT
Earn 100

A hydrogen atom with its electron in the nth orbit is ionized by electromagnetic radiation of wavelength 45 nm. If the kinetic energy of the ejected electron is 26.75 eV then the value of n is hc=1242 eV nm

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Important Questions on Atoms

MEDIUM
JEE Main/Advance
IMPORTANT
In hydrogen spectrum the shortest wavelength in the Balmer series is λ0. If largest wavelength in Lyman series for helium ion, is λ0k, then find value of k.
MEDIUM
JEE Main/Advance
IMPORTANT
In hydrogen-like atom Z=11nth line of Lyman series has wavelength λ equal to the de-Broglie's wavelength of electron in the level from which it originated. What is the value of n?
MEDIUM
JEE Main/Advance
IMPORTANT
An electron in hydrogen like atom makes a transition from nth orbit and emits radiations corresponding to Lyman series. If the de Broglie wavelength of electron in nth orbit is equal to wavelength of the radiation emitted, value of n, is (The atomic number of atom is 11)
EASY
JEE Main/Advance
IMPORTANT
In hydrogen-like atom (Z=11)nth line of Lyman series has wavelength λ equal to the de-Broglie's wavelength of electron in the level from which it originated. What is the value of n ?