When monochromatic light of wavelength (in air) of λ = 500 nm passes through two every narrow slits and the interference pattern is observed on a screen 2.0 m from the slits, the distance between adjacent maxima near the center of the screen is 3.0 mm. If the apparatus (slits and screen) is submerged in water, the distance between the adjacent maxima is
A) 3.0 mm
B) larger than 3.0 mm
C) smaller than 3.0 mm
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