Light waves with two diff erent wavelengths, 632 nm and
Chapter , Problem 29(choose chapter or problem)
Light waves with two diff erent wavelengths, 632 nm and 474 nm, pass simultaneously through a single slit whose width is 7.15 3 1025 m and strike a screen 1.20 m from the slit. Two diff raction patterns are formed on the screen. What is the distance (in cm) between the common center of the diff raction patterns and the fi rst occurrence of a dark fringe from one pattern falling on top of a dark fringe from the other pattern?
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