Express all algebraic answers in terms of the given

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Unformatted text preview: ermine the kinetic energy of the electron. (b) Determine the de Broglie wavelength of the electron. The electron encounters a particle with the same mass and opposite charge (a positron) moving with the same speed in the opposite direction. The two particles undergo a head-on collision, which results in the disappearance of both particles and the production of two photons of the same energy. (c) Determine the energy of each photon. (d) Determine the wavelength of each photon. (e) Explain why there must be two photons produced instead of just one. END OF EXAM © 2006 The College Board. All rights reserved. Visit apcentral.collegeboard.com (for AP professionals) and www.collegeboard.com/apstudents (for students and parents). 11...
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