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 (φa = φr))

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

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 (φa = φr))
A.	sin φa/cos φb
B.	cos φa/sin φb
C.	cosec φa/sin φb
D.	sin φa/sin φb
Answer» E.

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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 (φa = φr))

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