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Light from a He-Ne laser of wavelength 633 nm passes through a circular aperture. It is...

Light from a He-Ne laser of wavelength 633 nm passes through a circular aperture. It is observed on a screen 4.0 m behind the aperture. The width of the central maximum is 1.1 cm. What is the diameter of the hole?

a. 3.2×104 μm

b. 560 μm

c. 4700 μm

d. 9.8 μm

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