Interference was first observed in the interference chamber, when air was present, now the chamber is evacuated, and if the same light is used then a careful observer will see:
A. no interference
B. interference in which breadth of the fringe will be slightly increased.
C. interference with bright bands.
D. interference with dark bands.
Answer:B
Interference was first observed in the interference chamber, when air was present, now the chamber is evacuated, and if the same light is used then a careful observer will see:
A. no interference B. interference in which breadth of the fringe will be slightly increased. C. interference with bright bands. D. interference with dark bands.