Interference was observed in interference chamber when air was present – McqOptions

MCQOPTIONS

1.	Interference was observed in interference chamber when air was present, now the chamber is evacuated and if the same light is used, a careful observer will see [CBSE PMT 1993; DPMT 2000; BHU 2002]
A.	No interference
B.	Interference with bright bands
C.	Interference with dark bands
D.	Interference in which width of the fringe will be slightly increased
Answer» E.

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