Quantum mechanics bits



Quantum mechanics


1.      Matter waves are called de Broglie waves
2.      De-Broglie wavelength      =
                                                =
                                                =
3.      the wave function is The probability amplitude of finding the particle in space
4.      the wavelength of the matter wave of an electron moving under the influence of potential V is proportional to _______________
5.      velocity of matter waves may be greater than velocity of light
6.      existence of matter waves experimentally first demonstrated by Davisson and Germer
7.      G.P Thomson experiment supports the concept of dual nature of matter waves
8.       in the Davisson and Germer experiment, when 54 volts is applied to electrons, the first order diffraction spectrum is observed at the scattering angle of  500
9.      Three dimensional Schrödinger’s wave equation is __________________________
10.  One  dimensional Schrodinger’s wave equation is __________________________
11.  Energies of the particle in one dimensional potential box are quantized
12.  energy of the free electron is ____________________
13.  spacing between two consecutive energy levels of a free electron is_________________
14.  If E1 is the energy value for the ground state of an electron in 1-dimensional potential well the energy of first excited level is 4E1
15.  Uncertainty principle was proposed by ____________________
16.  Heisenberg’s uncertainty principle is__________________

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