APFIVE Double-Slit Interference in a Medium
A double-slit experiment produces bright fringes on a screen. If the entire apparatus is submerged in water (n = 1.33) without changing any physical dimensions, how will the fringe spacing change?
A
Increase by a factor of 1.33
B
Decrease by a factor of 1.33
C
Remain unchanged
D
Decrease by a factor of 1.77
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