Two slits spaced $0\mathrm{.}250$ mm apart are $0\mathrm{.}900$ m from a screen and illuminated by coherent light of wavelength $630$ mm$.$ The intensity at the center of the central maximum $(0=0)$ is Io$-$

Part A

What is the distance on the screen from the center of the central maximum to the first minimum?

Express your answer with the appropriate units.

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$$ Part B

What is the distance on the screen from the center of the central maximum to the point where the inte

Express your answer with the appropriate units.

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