Solved: A laser beam passes through a slit of width 1.0 cm
Chapter 27, Problem 83GP(choose chapter or problem)
Problem 83GP
A laser beam passes through a slit of width 1.0 cm and is pointed at the Moon, which is approximately 380,000 km from the Earth. Assume the laser emits waves of wavelength 630 nm (the red light of a He-Ne laser). Estimate the width of the beam when it reaches the Moon.
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