Chemistry, 04.04.2020 03:33 xavier1283

What are the wavelengths of sound waves at the limits of human hearing - 20 Hz and 20 kHz? The speed of sound in 20 ºC (72 ºF) air is 343 m/s. 4 points

The wavelength of microwaves in an oven is 12 cm. What is the frequency of the waves?

What is the frequency of a photon that has a wavelength of 4.87 x 10^7 m?

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What are the wavelengths of sound waves at the limits of human hearing - 20 Hz and 20 kHz? The speed...

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