Find the value of Bohr magneton, given that `e =1.6xx10^(-19)C, ``H = 6.63xx10(-34)`, `pi= 3.142` and `m_e=9.1xx10^-28g`

Calculate the value of Bohr Magneton (Given: Charge on electron = 1.6xx10^-19 C, h (Planck's) constant = 6.63xx10^-34Js, mass of electron m_e = 9.1xx10^-31 kg)

Calculate the gyromagnetic ratio of electron (Given e = 1.6xx10 T^-19 C, m_e = 9.1xx10^-31 kg)

An electron in the ground state jumps to 4th state by absorption of energy -13.6eV .Determine a wavelength and frequency of the photon, (e = 1.6 xx 10^-19 C, h = 6.63xx10^-34 J-s, c =3xx 10^8 m//s)

True or false 1kWh=3.6xx10^9 J

Find the wavelength of a proton accelerated by a potential difference of50 V, h= 6.63xx10^-34 JS (Given : mp=1.673xx10^-27kg )

Find the period of revolution of electron in the second orbit in the hydrogen atom and hence find period of revolution of the electron in the third orbit of hydrogen atom. epsilon_0 = 8.85 xx 10^-12 C^2// Nm^2, h=6.63 xx^-34 J-s, m=9.xx10^-31 kg, e =1.6 xx 10^-19 C .

Find de-Broglie wavelength of neutron at 127^@ C . (Given Boltzman constant = K =1.38 xx 10^-23 J molecule^-1 K^-1, h = 6.63 xx 10^-34 Js, Mass of neutron = 1.66 xx 10^-27 kg)