Answer:
Y = 3.39 x 10⁶ m
Explanation:
We will use Young's Double Slit formula here:
[tex]Y = \frac{\lambda L}{d}[/tex]
where,
Y = Fringe spacing = ?
λ = wavelength = [tex]\frac{speed\ of\ light}{frequency} = \frac{3\ x\ 10^8\ m/s}{375\ Hz}[/tex] = 8 x 10⁵ m
L = screend distance = 4030 nm = 4.03 x 10⁻⁶ m
d = slit separation = 950 nm = 9.5 x 10⁻⁷ m
Therefore,
[tex]Y = \frac{(8\ x\ 10^5\ m)(4.03\ x\ 10^{-6}\ m)}{9.5\ x\ 10^{-7}\ m}[/tex]
Y = 3.39 x 10⁶ m
