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an electron has kinetic energy 28 x 10 -23j de-broglie wavelength will be nearlyme 91 x 10 -31 kg1 928x 10-4m
the de-broglie wavelength associated with a material particle is1 directly proportional to its energy2 directly proportional to momentum3
the de-broglie wavelength of a particle with mass 1gm and velocity 100m sec is1 663 x 10
de-broglie equation is1 n gamma 2d sin theta
which of the following expressions gives the de-broglie relationship1 h gamma mv
in which one of the following pairs of experimental observations and phenomenon does the experimental observation correctly account for phenomenon1
which one of the following explains light both as a stream of particles and as wave motion1 diffraction2 gamma hp3 interference 4
among the following for which one mathematical expression gamma hp stands1 de broglie equation2 einstein equation3 uncertainty equation4 bohr
the wave nature of an electron was first given by1 de-broglie2heisenberg3mosley4sommerfieldans
a metal surface is exposed to solar radiations1 the emitted electrons have energy less than a maximum value of energy depending upon frequency of
the positive charge of an atom is1 spread all over the atom 2 distributed around the nucleus 3concentrated at the nucleus4 all of theseans
the energy of electron in hydrogen atom in its grounds state is -136 ev the energy of the level corresponding to the quantum number equal to 5 is1
the ionisation potential of a hydrogen atom is -136 ev what will be the energy of the atom corresponding to n 21 -34 ev
according to bohrs principle the relation between principle quantum number and radius of orbit is1 r infin n 2 r infin
in bohrs model atomic radius of the first orbit is gamma the radius of the 3rd orbit is1 gamma 32gamma3 3gamma4 9gammaans
the wavelength of the radiation emitted when in a hydrogen atom electron falls from infinity to stationary state 1 would be rydberg constant 1097 x
the frequency of radiation emitted when the electron falls from n 4 to n1 in a hydrogen atom will be given ionization energy of h
the radius of which of the following orbit is same as that of the first bohrs orbit of hydrogen atom1 he n 2
time taken for an electron to complete one revolution in the bohr orbit of hydrogen atom is1 4 pi mr 2 nh 2 nh 4pi2 mr
the ratio of area covered by second orbital to the first orbital is1 1 2 2 1 16 3 8
the radius of electron in the first excited state of hydrogen atom is 1 a0
the mass of a photon with a wavelength equal to 154 x 10 -8 cm is1 08268 x 10 -34 kg
the frequency corresponding to transition n 2 to n 1 in hydrogen atom is1 1566 x 1010 hz
ratio of radii of second and first bohr orbits of h atom1 2 2 4 3
energy of the electron in hydrogen atom is given by1 en 13138 n2 x kj mol-1 2 en 13133n xkj