particle in Another theory of dark matter (there are many theories!) predicts that there is a the dark sector that is similar to the photon but has a small nonzero mass, which we call the dark photon. The dark photon does not move at the speed of light, but slightly slower, at a speed that depends on the wavelength. If the mass of the dark photon is 10-15 eV/c², what is the wavelength of a dark photon that moves at a speed that is 99% the speed of light? 7
particle in Another theory of dark matter (there are many theories!) predicts that there is a the dark sector that is similar to the photon but has a small nonzero mass, which we call the dark photon. The dark photon does not move at the speed of light, but slightly slower, at a speed that depends on the wavelength. If the mass of the dark photon is 10-15 eV/c², what is the wavelength of a dark photon that moves at a speed that is 99% the speed of light? 7
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Transcribed Image Text:Another theory of dark matter (there are many theories!) predicts that there is a particle in the dark sector that is similar to the photon but has a small nonzero mass, which we call the dark photon. The dark photon does not move at the speed of light, but slightly slower, at a speed that depends on the wavelength. If the mass of the dark photon is \(10^{-15} \text{ eV}/c^2\), what is the wavelength of a dark photon that moves at a speed that is 99% the speed of light?
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