1.

2. What is Bethe's law? In what way does it resemblethe Snell's law and differs from it.

Answer»

it is identical to snells law in optics but the difference is that order of velocities are reversed. When a light enters from rarer to denser medium it slows and bends to the normal but when electron enters from lower to higher potential it is accelerated and is bend towards the normal.



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