What is the frequency of the red light from a laser

Reference no: EM133368375

Questions:

1. Compute the wavelength in air of ultrasound with a frequency of 42 kHz if the speed of sound is 344 m/s.
2. What is the frequency (in Hz) of the red light from a laser that has a wavelength of 650.0 nm? Hz

Reference no: EM133368375

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