| 41. | :All EM radiation involves the photon; even radio waves.
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| 42. | :Photons don't have a rest frame of reference.
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| 43. | :Photons are light ( light is made of photons ).
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| 44. | :Photons are light ( light is made of photons ).
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| 45. | :Photons have zero mass, and thus generate no gravity?
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| 46. | Momentum and energy of photon are related by E = cp.
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| 47. | The total weight of the photons would be about 275 ng.
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| 48. | The Photon 17 : 17, 15 September 2007 ( UTC)
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| 49. | Since photons travel in straight lines, they will also curve.
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| 50. | A photon has no mass and it has a specific velocity.
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