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Fatima
  • Member for 9 years
  • Last seen more than 8 years ago
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Rest mass energy of electron
Yeah ! but the main point is not of spin . If spin doesn't actually occur there can occur orbital motion . But practically how does electron can be at rest ?
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If the origin of photons is different then how can their speed be same?
Yeah ! I had also the same view but I've read that the wavelength of X ray is 10^-14 , and its frequency is 10^23 so the speed becomes 10^9 not 3 10^8
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