
2. A photon strikes a piece of metal and an electron is ejected. The wavelength of the electron is 8.7 x 10-11 m - what...
An X-ray photon with a wavelength of 0.933 nm strikes a surface. The emitted electron has a kinetic energy of 994 eV . What is the binding energy of the electron in kJ/mol? [Note that KE = 1/2mv^2 and 1 electron volt (eV) = 1.602×10^−19J.]
3 36. A photon with frequency 7.0 x 104 Hz is shined on a metal surface and ejected an electron with 2.19 x 1021J. Calculate the kinetic energy of the ejected electron? (5 points)
An X-ray photon with a wavelength of 0.960 nm strikes a surface. The emitted electron has a kinetic energy of 937 eV. What is the binding energy of the electron in kJ/mol? [Note that KE = 12mv2 and 1 electron volt (eV) = 1.602×10−19J.]
An X-ray photon with a wavelength of 0.960 nm strikes a surface. The emitted electron has a kinetic energy of 937 eV. What is the binding energy of the electron in kJ/mol? [Note that KE = 12mv2 and 1 electron volt (eV) = 1.602×10−19J.]
14. (a) A photon with initial wavelength of 6.76×10−12 m strikes an electron, and then has a wavelength of 7.02×10−12 m after it is deflected. What is the deflection angle? (b) A photon with initial wavelength of 7.36×10−12 m strikes an electron. What is the maximum possible wavelength of the deflected photon and what angle does this correspond to?
When a photon of red light hits metal X, an electron is ejected. Will an electron be ejected if a photon of yellow light hits metal X? A.Yes B.No C.Can't tell
15. A metal plate has a binding energy of 350.0 kJ/mol. If a photon with a wavelength of 275 nm strikes the surface, at what velocity will an electron be ejected? a. 1.75 x 106 m/s
A photon of wavelength 200nm strikes a material with a work function of 0.85eV. a)What is the kinetic energy of the emitted electron? b) What is the DeBroigle wavelength of the electron?
A photon with frequency 9.996 x 10^14 Hz strikes a slab of lead and is absorbed without freeing an electron. a) If the frequency of that photon is the threshold frequency for lead, calculate the work function for lead. Express your answer in eV. b) Assume a photon of wavelength 200 nm strikes the lead, freeing an electron. Calculate the maximum kinetic energy (in Joules) of the liberated electron. c) Calculate the de Broglie wavelength of the emitted electron. You...
An X-ray photon of wavelength 0.945 nm strikes a surface. The emitted electron has a kinetic energy of 990 eV . What is the binding energy of the electron in kJ/mol? [KE = 1/2 mv^2; 1 electron volt (eV) = 1.602×10^−19J] Please show the steps correlating directly to the equations (plug the numbers in or do each part step by step, something so I can see where the numbers came from and where they go, units also really help my...