I'LL MARK YOU BRAINLIEST IF YOU ANSWER THIS CORRECTLY
The speed of sound in air at 20 de...
I'LL MARK YOU BRAINLIEST IF YOU ANSWER THIS CORRECTLY
The speed of sound in air at 20 deg C. is approximately 340 m/s
True
False
Wave speed = wave frequency x wave length
True
False
Because f=1/period, wave speed = wavelength/period
True
False
What is the wavelength of a sound wave that has a speed of 340m/s and a frequency of 440 hz
0.773 m
149,600 m
1.29 m
What is the wave speed of a wave that has a frequency of 50 Hz and a wavelength of 2.0 m?
25 m/s
100 m/s
0.04 m/s
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