Two slits of width a = 0.0016 mm are separated by a distance d = 0.04 mm and illuminated by light of wavelength λ = 450 nm. The number of bright fringes seen in the central maximum is
A) 8.
B) 16.
C) 25.
D) 37.
E) 49.

Question

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The Answer of Two slits of width a = 0.0016 mm are separated by a distance d = 0.04 mm and illuminated by light of wavelength λ = 450 nm. The number of bright fringes seen in the central maximum is
A) 8.
B) 16.
C) 25.
D) 37.
E) 49.

Two Slits of Width a = 0