Given a single particle of mass m, the amount of energy E produced when all of its mass is converted to energy is given by Einstein's famous formula, E = m c?, where c = 2.9979 x 108 m/s is the speed of light. We also learned that the energy Ephoton of a single photon is related to its hc frequency f or wavelength A via Ephoton = hf = ne, where h = 6.626 x 10-34 m² kg/s is a %3D fundamental constant of nature called Planck's constant. In the electron + positron annihilation process discussed above, the two gamma-ray photons that are produced are identical. Compute the wavelength of one of these photons (in units of nm). Enter your answer as a decimal (NOT in scientific notation). You might check your answer against a chart of the EM spectrum to confirm that your answer is consistent with a gamma-ray wavelength.
Given a single particle of mass m, the amount of energy E produced when all of its mass is converted to energy is given by Einstein's famous formula, E = m c?, where c = 2.9979 x 108 m/s is the speed of light. We also learned that the energy Ephoton of a single photon is related to its hc frequency f or wavelength A via Ephoton = hf = ne, where h = 6.626 x 10-34 m² kg/s is a %3D fundamental constant of nature called Planck's constant. In the electron + positron annihilation process discussed above, the two gamma-ray photons that are produced are identical. Compute the wavelength of one of these photons (in units of nm). Enter your answer as a decimal (NOT in scientific notation). You might check your answer against a chart of the EM spectrum to confirm that your answer is consistent with a gamma-ray wavelength.
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