The phases of the light wave at c, d, e and f are φc, φd, φe and φ – McqOptions

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1.	The phases of the light wave at c, d, e and f are φc, φd, φe and φf respectively. It is given that φ?u003c
A.	φc cannot be equal to φd
B.	φd can be equal to φe
C.	φd − φf) is equal to (φc - φe)
D.	φd − φc) is not equal to (φf − φe
Answer» D. φd − φc) is not equal to (φf − φe

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