MEDIUM
NEET
IMPORTANT
Earn 100

In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series to the longest wavelength in the Balmer series is: 

50% studentsanswered this correctly

Important Questions on Atomic Physics

MEDIUM
NEET
IMPORTANT
Wavelength of photon released from transition of electron from 42 in He2+ is equivalent to transition of electron H+ from :-
EASY
NEET
IMPORTANT
When an α-particle of mass m moving with velocity v bombards on a heavy nucleus of charge 'Ze', its distance of closest approach from the nucleus depends on m as:
MEDIUM
NEET
IMPORTANT
Given the value of Rydberg constant is 107m–1, the wave number of the last line of the Balmer series in hydrogen spectrum will be :-
MEDIUM
NEET
IMPORTANT
If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd  orbit, it emits a photon of wavelength $\lambda$. When it jumps from the 4th orbit to the 3rd  orbit, the corresponding wavelength of the photon will be
EASY
NEET
IMPORTANT
The ratio of wavelength of the last line of Balmer series and the last line Lyman series is:
MEDIUM
NEET
IMPORTANT
In an H-like atom when electron transits from energy state n=5 to n=2, a photon of wavelength 434 nm is emitted. What will be the wavelength of photon emitted when the transition occurs from energy state n=4 to n=2?
MEDIUM
NEET
IMPORTANT
The ratio of kinetic energy to the total energy of an electron in a Bohr orbit of the hydrogen atom, is :- 
MEDIUM
NEET
IMPORTANT
For a hydrogen like atom, wavelength of third transition of Balmer series is λ = 108.5 nm. The binding energy of atom is