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

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