At most,how many bright fringes can be formed on one side of the central bright fringe (not counting the central bright fringe)when light of 625 nm falls on a double slit whose spacing is 6.77 $\times$ 10^-6m? A)10 B)9 C)8 D)11 E)12

Question

Quizplus · Accepted Answer

The number of bright fringes on one side of the central bright fringe is given by the formula:$$N = \frac{aW}{\lambda}$$where:* N is the number of bright fringes* a is the slit spacing* W is the width of the screen* λ is the wavelength of lightIn this problem, we are given:* a = 6.77 × 10^-6 m* W = 10 m* λ = 625 nm = 625 × 10^-9 mPlugging these values into the formula, we get:$$N = \frac{(6.77 	imes 10^{-6} 	ext{ m})(10 	ext{ m})}{625 	imes 10^{-9} 	ext{ m}} = 10.8$$Since we cannot have a fraction of a bright fringe, the maximum number of bright fringes on one side of the central bright fringe is 10.

At Most,how Many Bright Fringes Can Be Formed on One ×\times×

At Most,how Many Bright Fringes Can Be Formed on One $\times$