Light Bending: Why Don't Waves Bend at Normal Incidence?

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SAJAN MUHAMMAD
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why light waves do not bend at normal incidence?
 
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SAJAN MUHAMMAD said:
why light waves do not bend at normal incidence?
Which direction would it bend towards?
 
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SAJAN MUHAMMAD said:
why light waves do not bend at normal incidence?
That is for isotropic medium. When the medium is of anisotropic type, direction change can occur even in normal incidence.
 

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