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"That their main business was not put into the mind knowledge which was not there before, but to turn the mind's eye towards light so that it might see for itself." ...Plato's advice to educators(429-347BC)
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Author Topic: Light  (Read 3835 times)
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arthuryu123
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on: November 12, 2010, 10:55:28 pm »

the light bends if it go through a strong gravity field.so is it refraction?why will the light bend?
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Fu-Kwun Hwang
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Reply #1 on: November 12, 2010, 11:31:44 pm »

Light has energy, which inplied it has mass. E=hf =mc2
And there is gravitation force between two objects with has mass.
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"That their main business was not put into the mind knowledge which was not there before, but to turn the mind's eye towards light so that it might see for itself." ...Plato's advice to educators(429-347BC)
 
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