n a two$-$slit interference pattern, the intensity at the peak of the central maximum is I$0$I$0.$

Part A

At a point in the pattern where the phase difference between the waves from the two slits is $55\mathrm{.}0,$ what is the intensity? Give your answer as a fraction of I$0$I$0.$

Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

II$0$II$0=$

nothing

SubmitRequest$$Answer

Part B

What is the path difference for $450$ nmnm light from the two slits at a point where the phase difference is $55\mathrm{.}0?$

Express your answer with the appropriate units.

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r$2$r$1$r$2$r$1=$

nothingnothing