If any refracted light were to travel the same path backward the same – McqOptions

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1.	If any refracted light were to travel the same path backward the same relationship would exist, that is__________ = n.( The angle of reflection for normal is ( _a = _r))
A.	tsin <sub>a</sub>/cos <sub>b</sub>
B.	tcos <sub>a</sub>/sin <sub>b</sub>
C.	tcosec <sub>a</sub>/sin <sub>b</sub>
D.	tsin <sub>a</sub>/sin <sub>b</sub>
Answer» E.

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