MerCadTel devices are like digital cameras, but for infrared radiation. a) Suppose you observe an object using a wavelength of 5 microns (5e-6m). What is the energy of these photons? b) If the work function of the MerCadTel substrate (the detector surface) is 0.13eV, what is the kinetic energy of the electron that is liberated from the detector? c) What is the De Broglie wavelength of the liberated electron? The mass of the electron is 9.1e-31kg, 1 eV=1.6e-19 J, and h = 6.626e-34 Js. Hint: The electron is not moving relativistically.
MerCadTel devices are like digital cameras, but for infrared radiation. a) Suppose you observe an object using a wavelength of 5 microns (5e-6m). What is the energy of these photons? b) If the work function of the MerCadTel substrate (the detector surface) is 0.13eV, what is the kinetic energy of the electron that is liberated from the detector? c) What is the De Broglie wavelength of the liberated electron? The mass of the electron is 9.1e-31kg, 1 eV=1.6e-19 J, and h = 6.626e-34 Js. Hint: The electron is not moving relativistically.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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MerCadTel devices are like digital cameras, but for infrared radiation.
a) Suppose you observe an object using a wavelength of 5 microns (5e-6m). What is the
energy of these photons?
b) If the work function of the MerCadTel substrate (the detector surface) is 0.13eV, what
is the kinetic energy of the electron that is liberated from the detector?
c) What is the De Broglie wavelength of the liberated electron? The mass of the electron
is 9.1e-31kg, 1 eV=1.6e-19 J, and h = 6.626e-34 Js. Hint: The electron is not moving
relativistically.
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