`Li^(2+)` is initially is ground state. When radiation of wavelength `lamda_(0)` incident on it, it emits 6 different wavelengths during de excitation find `lamda_(0)`
Hydrogen atom absorbs radiations of wavelength lambda_0 and consequently emit radiations of 6 different wavelengths, of which two wavelengths are longer than lambda_0 . Chosses the correct alternative(s).
In a photoelectric effect measurement, the stoppingg potential for a given metal is found to be V_(0) volt, when radiation of wavelength lamda_(0) is used. If radiation of wavelength 2lamda_(0) is used with the same metal, then the stopping potential (in V) will be
Monochromatic radiation of wavelength lambda is incident on a hydrogen sample in ground state. Hydrogen atoms absorb a fraction of light and subsequently emit radiations of six different wavelength . Find the wavelength lambda .
Electrons are emitted from the cathode of a photocell of negligible work function, when photons of wavelength lamda are incident on it. Derive the expression for the de Broglie wavelength of the electrons emitted in terms of the wavelength of the incident light
H atom in its ground state is excited by means of a radiation of lambda =970.6 Å. How many different wavelengths are possible in the resulting emission spectrum ?
Monochromatic radiation of specific wavelength is incident on H-atoms in ground state. H-atoms absorb energy and emit subsequently radiations of six different wavelength. Find wavelength of incident radiations:
When a metallic surface is illuminated with radiation of wavelength lamda , the stopping potential is V . If the same surface is illuminated with radiation of wavelength 2lamda , the stopping potential is V/4 . The threshold wavelength for the metallic surface is
A hydrogen atom in the ground state is excited by monochromatic radiation of wavelength lambda A . The resulting spectrum consits of maximum 15 different lines. What is the wavelength lambda ?
