13. O-6.66 points SercP10 27 Po30 (a) An electron has a kinetic energy of 1.91 eV....
(a) An electron has a kinetic energy of 6.16 eV. Find its wavelength. nm (b) A photon has energy 6.16 eV. Find its wavelength. nm
(a) An electron has kinetic energy 4.00 eV. Find its wavelength. m (b) A photon has energy 4.00 ev. Find its wavelength.
An electron has a kinetic energy of 4.10 eV. Find its wavelength. 5.995 times 10^23 - 1 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully A photon has energy 4.10 eV. Find its wavelength 3.03 times 10^-3 Your response is off by a multiple of ten, nm In the ground state of hydrogen, the uncertainty in the position of the electron is roughly 0.10 nm. If the speed of...
4. 8/20 points lPrevious Answers SerCP10 22.P.004 (a) Calculate the wavelength of light in vacuum that has a frequency of 5.10 x 1015 Hz 5.88e-8 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. nm (b) What is its wavelength in polystyrene? 0.42 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. nm (c) Calculate the energy of one photon...
The threshold energy (work function) of copper is 4.7 eV. What is the kinetic energy of an electron ejected by a photon with a wavelength of 210 nm? [1 eV = 1.6 x 10–19 J]
Radiation of a certain wavelength causes electrons with a maximum kinetic energy of 0.95 eV to be ejected from a metal whose work function is 2.55 eV. What will be the maximum kinetic energy (in eV) with which this same radiation ejects electrons from another metal whose work function is 1.81 eV? In the Compton effect, an X-ray photon of wavelength 0.16 nm is incident on a stationary electron. Upon collision with the electron, the scattered X-ray photon continues to...
show work thanks. A 10 eV electron (an electron with a kinetic energy of 10 eV) is incident on a potential-energy barrier that has a height equal to 13 eV and a width equal to 1.0 nm. T = e^-2alpha a alpha > > 1 Use the above equation (35-29) to calculate the order of magnitude of the probability that the electron will tunnel through the barrier. 10 _________ Repeat your calculation for a width of 0.10 nm. 10 _________
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...
5) What is the wavelength of light an electron that has an energy of 10,000 eV. What is the wavelength if it has 40,000 eV of kinetic energy. By what fraction has the wavelength changed? (me for an electron is 0.511 x10° eV] Why are electron microscopes sharper than light microscopes. Compare the wavelength of green light (520 nm) to that of the 40,000 eV electrons. How many times is the electron wavelength smaller? What would the wavelength of a...
Electrons in an electron microscope have a kinetic energy of 6.01 105 eV. (a) Find the de Broglie wavelength of the electrons. (b) Find the ratio of this wavelength to the wavelength of light at the middle of the visible spectrum (550 nm). (c) How many times greater magnification is theoretically possible with this microscope than with a light microscope?