An electron has a non-relativistic speed of v=1.5×10^5 m / s. Determine: A) Its de Broglie...

An electron has a non-relativistic speed of v=1.5×10^5 m / s. Determine:

A) Its de Broglie wavelength.

B) Its kinetic energy.

C) The resting energy of the electron in joules and in electron volts.

d) What is the speed of the electron if the relativistic kinetic energy is equal to the rest energy?

e) The momentum of the electron at a speed of 0.80c.

f) The de Broglie wavelength for electron with a speed of 0.80c.

Expert Solution

genius_generous answered 2 years ago

An electron has a de Broglie wavelength of 235 nm .What is the speed of the...

An electron has a de Broglie wavelength of 235 nm .What is the speed of the electron? --------------------------------------------------------------------- How much energy is contained in 1 mol of γ-ray photons with a wavelength of 2.43×10−5 nm . ? ------------------------------------------------------------------------ In a technique used for surface analysis called auger electron spectroscopy (AES), electrons are accelerated toward a metal surface. These electrons cause the emissions of secondary electrons-called auger electrons-from the metal surface. The kinetic energy of the auger electrons depends on the...

The mass of an electron is 9.11×10−31 kg. If the de Broglie wavelength for an electron...

The mass of an electron is 9.11×10−31 kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31×10−10 m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00×108 m/s.

An electron at point A in the figure has a speed of 1.42×10^6 m/s.

An electron at point A in the figure has a speed of 1.42×10∧6 m/s. (a) Find the direction of the magnetic field that will cause the electron to follow the semicircular path from A to B. (b) Find the magnitude of the magnetic field that will cause the electron to follow the semicircular path from A to B. (c) Find the time required for the electron to move from A to B. (d) Find the direction of the magnetic field, that...

1. For what kinetic energy is the de Broglie wavelength of an electron equal to its...

1. For what kinetic energy is the de Broglie wavelength of an electron equal to its Compton wavelength? Express your answer in units of mc2 in doing the calculation, and then use mc2 = 0.5 MeV.(Answer: 0.2 MeV) 2. A beam of electrons with energy 1.0 eV approaches a potential barrier with U = 2.0 eV, whose width is 0.10 nm (see a figure below). Estimate the fraction of electrons that tunnel through the barrier. (Hint: use the relation of...

Calculate the de Broglie wavelength of (a) a 0.715 keV electron (mass = 9.109 × 10-31...

Calculate the de Broglie wavelength of (a) a 0.715 keV electron (mass = 9.109 × 10-31 kg), (b) a 0.715 keV photon, and (c) a 0.715 keV neutron (mass = 1.675 × 10-27 kg).

The de Broglie wavelength of a proton in a particle accelerator is 1.81 × 10-14 m....

The de Broglie wavelength of a proton in a particle accelerator is 1.81 × 10-14 m. Determine the kinetic energy (in joules) of the proton.

An electron with an initial speed of 5.05x10^5 m/s is brought to rest by an electric...

An electron with an initial speed of 5.05x10^5 m/s is brought to rest by an electric field. The charge of an electron is -1.60x10^-19C and its mass is 9.11x 10^-31 kg. a) did the electron move into a region of higher electric potential or lower electric potential? Explain b) What was the electric potential difference that stopped the electron?

Calculate the final speed of an object if its initial speed is 10 m / s....

Calculate the final speed of an object if its initial speed is 10 m / s. The object has a mass of 5 kg. Initially it has a height of 20 meters, and it goes down to a height of 15 m. There are no dissipative forces on the object.

Calculate the speed (in m/s) of an electron and a proton with a kinetic energy of...

Calculate the speed (in m/s) of an electron and a proton with a kinetic energy of 1.70 electron volt (eV). (The electron and proton masses are me = 9.11 ✕ 10−31 kg and mp = 1.67 ✕ 10−27 kg. Boltzmann's constant is kB = 1.38 ✕ 10−23 J/K.) (a) an electron m/s (b) a proton m/s (c) Calculate the average translational kinetic energy in eV of a 3.15 ✕ 102 K ideal gas particle. (Recall from Topic 10 that 1...

A 360-m-wide river has a uniform flow speed of 1.5 m/s through a jungle and toward...

A 360-m-wide river has a uniform flow speed of 1.5 m/s through a jungle and toward the east. An explorer wishes to leave a small clearing on the south bank and cross the river in a powerboat that moves at a constant speed of 5.8 m/s with respect to the water. There is a clearing on the north bank 65 m upstream from a point directly opposite the clearing on the south bank. (a) At what angle, measured relative to...

Question