Double-Slit Interference in a Medium
In a double-slit experiment, an interference pattern is formed on a screen. If the entire apparatus is submerged in water (index of refraction n = 1.33), how does the fringe spacing change?
A
Decrease by a factor of 1.77
B
Remain unchanged
C
Increase by a factor of 1.33
D
Decrease by a factor of 1.33
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