I need help with the problem below:
I need help with the problem below: Chapter 29, Problem 26 What is (a) the wavelength...
What is (a) the wavelength of a 5.90-eV photon and (b) the de Broglie wavelength of a 5.90-eV electron?
Chapter 29, Problem 53 An electron and a proton have the same kinetic energy and are moving at speeds much less than the speed of light. Determine the ratio of the de Broglie wavelength of the electron to that of the proton Nurnber Units
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Show your works and units for full credits 1. If the wavelength of a red light photon in vacuum is a = 680 nm, what is the energy of the photon in units of eV? (1 eV = 1.6 x 10-19 and Planck constanth 6.63 x 104 ) E- 2. What is the wavelength of a laser light beam that has the photon energy of 3.12 x 10-20 ? 2 3. If an electron moves a speed...
i need 24 and 26 answered
LIL. ated electrons Broglie wave- of a proton's article probe? b) electrons, - have a de 24. Consider electrons of kinetic energy 6.0 eV and 600 keV. For each electron, find the de Broglie wave- length, particle speed, phase velocity (speed), and group velocity (speed). 25. A wave, propagating along the x direction according to Equation (5.18), has a maximum displacement of 4.0 cm at x = 0 and t = 0. The wave...
Problem 9: An electron is accelerated from rest by an electric potential difference of 12.5V. (a) What is the electron's final speed? And what is the value of its final de Broglie wavelength? (6pts.) (a) What is the energy of a photon with the same wavelength as the electron? Give your answer in eV and joules. (6pts.)
What is the de Broglie wavelength of a He atom with a kinetic energy of 0.025 eV? What is the de Broglie wavelength of an electron with the same kinetic energy?
33.8 Problems biting the atom drops from an energy level of Ei--10.64 eV to an energy level of 12.70 eV 33.1 A photon is emitted by an atom when one of the electrons or- (a) What is the energy of this photon (in eV)? (b) What is the energy of this photon (in D? (c) What is the frequency of this photon? (d) What is the wavelength of this photon? (e) What is the momentum of this photon? 33.2 The...
i got the first part, its just the rest
Part Il: Quantum Mechanics Problems 1) An electron is accelerated through a voltage of 100 V Thinking of it as a wave, what is its wavelength, in nm? (This is called the de Broglie" wavelength.) VpY Vahe .e.AV 6.626x1034 8(2)(9.1x10-3216410-19) (100) = 0.12.3 2) A photon has the same wavelength as this electron. In what part of the spectrum is this photon? What is the energy, in J and in eV,...
The de Broglie wavelength calculation for an object holds even at relativistic speeds. At what total energy E will the de Broglie wavelength of an electron be different by a factor of two from the wavelength of a photon with the same energy?
14. Consider the hydrogen atom. (a) What value of wavelength is associated with the Lyman series for n = 2? (Rydberg constant RH = 1.097 x 10^7 m^-1). (b) An electron in a hydrogen atom makes a transition from the n = 4 to the n = 3 energy state. Determine the energy (in eV) of the emitted photon. (c) Calculate the radius, speed. linear momentum. and de Broglie wavelength of the electron in the first Bohr orbit. (me =...