A double-slit interference experiment is performed with two verynarrow slits sep

Question

A double-slit interference experiment is performed with two verynarrow slits separated by 0.10 mm. Theexperiment uses red light with a wavelength of 670 nm and projects the interference pattern ontoa screen 10.0 m away from the slits. (a) What is the distance between two nearbybright fringes on the screen?
1 m

(b) What is the distance between two nearby dark fringes on thescreen? Assume these fringes are all near =0.
2 m (a) What is the distance between two nearbybright fringes on the screen?
1 m

(b) What is the distance between two nearby dark fringes on thescreen? Assume these fringes are all near =0.
2 m

Explanation / Answer

Slit separation d = 0.1 * 10 ^ -3 m

Wavelength = 670 * 10^-9 m

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