a) momentum and wavelength of any particle are related by de-brogile formula
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b) b is the wave number of the electron
c) is the wave vector in x-direction, it is nothing but b.
10. Consider the wavefunction Be-ibx for a free electron, of mass 9.1 x 10-31 kg, whose...
33.3 What is the de Broglie wavelength of: (a) an electron (melectron electron 9.1 x 10-31 kg) travelling at 15 kms-1? (b) an electron with a kinetic energy of 1 eV? (c) a proton (mproton -1.67x 10-27 kg travelling at 15kms-1? (d) a proton with a kinetic energy of 1 eV? (e) an elephant (melephant 10 tonnes) travelling at 15 km h-1? (D an elephant with a kinetic energy of 1 evi
A free electron has a wave function ψ(x)= Asin (5x1010 x) where x is measured in meters. Find the electron's de Broglie wavelength the electron's momentum a. b, 3. When an electron is confined in the semi-infinite square, its wave function will be in the form Asin kx for0<x<L ψ(x)- Ce for x> L having L = 5 nm and k = 1.7 / nm. a. Find the energy of the state. b. Write down the matching conditions that the...
Calculate the de Broglie wavelength of (a) a 1.15 keV electron (mass = 9.109 x 10-31 kg), (b) a 1.15 keV photon, and (c) a 1.15 keV neutron (mass = 1.675 x 10-27 kg). (a) Number 10.0362 Units nm (b) Number 10.762 Units nm (c) Numbe76.44e-4 units Inm
An electron has mass me 9.1-10-31 kg. If the electron is accelerated through a potential of 100 volts it will have kinetic energy 100 eV, where 1 eV = 1.6-10-19 Joules. Note that 11-2, 1.05-10-34 Joule seconds. [2 points] a. what is the frequency, a, wave number, k, and wavelength, λ, of the wave function, ψ ? [3 points] b. If this electron is confined in an infinite potential well (in one dimension, z) with width 0 KcSa, what are...
An electron of mass 9.1 * 10^-31 kg is moving in the xy-plane; its speed is 2.0 * 10^5 m/s and its direction of motion makes an angle of 25 degrees with the x axis. What are the components of the momentum of the electron?
6. An electron of mass 9.1 x 10-31 kg and charge -1.6 x 10-19 C rotates around the nucleus of the hydrogen atom in a circular orbit of radius 5.3 x 10-1lm. (a). Write down the equation of motion for the electron (F-ma) specifically for this physical situation; the constant in Coulomb's law is k 9x 10 Nm/C2. Using this result, find the time for the electron to make one complete circular orbit. (b). An electron's rotation creates an effective...
20) For a proton (mass - 1.673 x 10-27 kg) moving with a velocity of 2.83 x 10* m/s, what is the de Broglie wavelength (in pm)? a. 0.356 pm to b olsthis b. 3.56 pm noda si moto tragobye blow on c. 14.0 pm als animolla on total d. 7.15 pm e. 28.5 pm 21) If the de Broglie wavelength of an electron is 44 nm, what is its velocity? The mass of an electron is 9.11 x 10-kg....
-31, 8b) What is the wavelength of an electron whose mass is 9.11 x10 Kg travelling at a mass of 4.19 x 10 m/s?
Review | Constants 1 Periodic Table The mass of an electron is 9.11 x 10 1 kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31 x 100 m, how fa is the electron moving relative to the speed of light? The speed of light is 3.00 x 10 m/s. Express your answer numerically as a percent. View Available Hint(s) 90 AED O ? Submit Part B The mass of a golf ball is 45.9...
For a free electron with 100 keV kinetic energy, calculate the: a) electron speed b) electron momentum c) de Broglie wavelength of the electron