Light waves with two different wavelengths, 632 nm and 474 nm,pass simultaneousl

Question

Light waves with two different wavelengths, 632 nm and 474 nm,pass simultaneously through a single slit whose width is 7.15× 10-5 m and strike a screen 1.20 m from the slit.Two diffraction patterns are formed on the screen. What is thedistance (in cm) between the common center of the diffractionpatterns and the first occurrence of a dark fringe from one patternfalling on top of a dark fringe from the other pattern? Light waves with two different wavelengths, 632 nm and 474 nm,pass simultaneously through a single slit whose width is 7.15× 10-5 m and strike a screen 1.20 m from the slit.Two diffraction patterns are formed on the screen. What is thedistance (in cm) between the common center of the diffractionpatterns and the first occurrence of a dark fringe from one patternfalling on top of a dark fringe from the other pattern?
Light waves with two different wavelengths, 632 nm and 474 nm,pass simultaneously through a single slit whose width is 7.15× 10-5 m and strike a screen 1.20 m from the slit.Two diffraction patterns are formed on the screen. What is thedistance (in cm) between the common center of the diffractionpatterns and the first occurrence of a dark fringe from one patternfalling on top of a dark fringe from the other pattern?

Explanation / Answer

Wavelengths    = 632 * 10 ^ -9 m

                      ' = 474 * 10 ^ -9 m

Width of slit d = 7.15 * 10 ^ -5 m

Distance of the screen from the slit D = 1. 2 m

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