When a thin metal plate is placed in the path of one of the interferin – McqOptions

MCQOPTIONS

1.	When a thin metal plate is placed in the path of one of the interfering beams of light [KCET 1999]
A.	Fringe width increases
B.	Fringes disappear
C.	Fringes become brighter
D.	Fringes becomes blurred
Answer» C. Fringes become brighter

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