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A two-slit pattern is viewed on a screen 1.10 m from the slits. If the two third-order minima are 21.0 cm apart, what is

Posted: Mon Jul 18, 2022 5:55 am
by answerhappygod
A two-slit pattern is viewed on a screen 1.10 m fromthe slits.
If the two third-order minima are 21.0 cm apart,what is the width of the central bright fringe?
The answer is 4.18 cm but I do not know where the equations comefrom or the process to do this. Can you please make a step-by-stepsolution to this problem?