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![[Post New]](/templates/default/images/icon_minipost_new.gif) 28 May 2008 22:36:19 IST
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why light travel in straight line ?
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28 May 2008 22:39:22 IST
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tumse aisa kisne kaha?,............generally light passthrough the shartest distance described by a staright line.........in vacuum..................but in some presence of really highly gravitational massive object like sun , it can bend, wich can be explained by the general theory of relativity by einstein.........AM I CORRECT GUYS...........PLEEEEEEEEEEEEZ CORRECT ME IF IM WRONG......
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i am well....and hope u r in the same well.... |
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28 May 2008 22:56:21 IST
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There is no such thing as a 'straight line'. The light is a wave in the first place, and since there is no such thing as a 'constant refractive index' in reality, light only travels in a straight line in 'conceptual' terms, not in reality. 
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28 May 2008 23:03:43 IST
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yeah.. light does not travel in straight lines .... due 2 diffraction. but ray optics is the lim of wave optics... ie at v large distances the light despite showing diff. [which bcums insignifivcant] "appears" to move in straight path
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