Interference of Parallel Slits: Value of Lambda^2
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A beam containing light of wavelengths lambda^1 and lambda^2 is incident on a set of parallel slits. In the interference pattern, the fourth bright line of the lambda1 light occurs at the same position as the fifth bright line of the lambda^22 light. If lambda1 is known to be 540 nm, what is the value of lambda^2?
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Solution Summary
The interference of parallel slits are examined. The value of Lambda^2 are determined.
Solution Preview
In the case of interference from a slit
d sin α = k1 λ1
d ... spacing between slits
α ... angle
k ... order of the maximum (0, 1, 2, ...
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