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Parallel rays of monochromatic light with wavelength 581 nm illuminate two identical slits and produce an...

Parallel rays of monochromatic light with wavelength 581 nm illuminate two identical slits and produce an interference pattern on a screen that is 75.0 cm from the slits. The centers of the slits are 0.640 mm apart and the width of each slit is 0.434 mm.

Part A

If the intensity at the center of the central maximum is 3.00×10−4 W/m2 , what is the intensity at a point on the screen that is 0.760 mm from the center of the central maximum?

Express your answer to three significant figures and include the appropriate units.

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Answer #1

Here we apply concept of Young's double slit interference and intensity formula for double slit interference.

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