In a homogeneous medium, if the speed of sound is 1540 m/s and the frequency is 2 MHz, what is the wavelength?

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Multiple Choice

In a homogeneous medium, if the speed of sound is 1540 m/s and the frequency is 2 MHz, what is the wavelength?

Explanation:
Wavelength is found from lambda = c / f. With c = 1540 m/s and f = 2 MHz (2 x 10^6 Hz), lambda = 1540 / 2,000,000 = 7.7 x 10^-4 m = 0.77 mm. This matches 0.77 mm. The other values would correspond to different frequencies for the same speed (e.g., much higher or lower frequencies would give those wavelengths).

Wavelength is found from lambda = c / f. With c = 1540 m/s and f = 2 MHz (2 x 10^6 Hz), lambda = 1540 / 2,000,000 = 7.7 x 10^-4 m = 0.77 mm. This matches 0.77 mm. The other values would correspond to different frequencies for the same speed (e.g., much higher or lower frequencies would give those wavelengths).

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