An electron-positron pair approach each other with identical speeds. The particle-pair collide and annihilate, producing two photons with identical wavelengths of 1.9 picometres. Note: 1 picometre = 1 × 10^−12 m. (i) Calculate the energy of each of the photons produced. (i) Calculate the speed of the electrons before the collision
An electron-positron pair approach each other with identical speeds. The particle-pair collide and annihilate, producing two photons with identical wavelengths of 1.9 picometres. Note: 1 picometre = 1 × 10^−12 m. (i) Calculate the energy of each of the photons produced. (i) Calculate the speed of the electrons before the collision
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An electron-positron pair approach each other with identical speeds. The particle-pair collide and annihilate, producing two photons with identical wavelengths of 1.9 picometres. Note: 1 picometre = 1 × 10^−12 m.
(i) Calculate the energy of each of the photons produced.
(i) Calculate the speed of the electrons before the collision
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