Light

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arthuryu123

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1 Light

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on: November 12, 2010, 10:55:28 pm » posted from:Taipei,T'ai-pei,Taiwan

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 » posted from:,,Taiwan

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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"In theory, theory and practice are the same. In practice, they are not." ..."Albert Einstein (1879~1955, Mathematical physicist, Nobel Prize 1921-Physics)"

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