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Which experiment would be BEST to investigate the effects of wavelength on diffraction patterns?
A) Send pulses down a slinky at a variety of wavelengths and measure the reflected amplitudes.
B) Strike tuning forks of various frequencies and observe the beat frequencies that are created
.
C) Shine lasers of various colors at a narrow slit in an index card and measure the distance between the bright spots.
D) Emit sound waves from a car moving at a variety of speeds and listen to the pitch of the sound as it moves towards and past.
