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katrin [286]
3 years ago
15

Suppose a sound wave and an electromagnetic wave have the same frequency. Which has the longer wavelength?

Physics
1 answer:
ivann1987 [24]3 years ago
3 0

Answer:

Electromagnetic wave has longer wavelength.

Explanation:

The velocity (v) of a wave is the product between frequency (f) and wavelength (λ):

v=\lambda f (1)

Electromagnetic waves travel on air near the velocity of light 299792458 \frac{m}{s}, and sound waves travel on air at approximately 343,2 \frac{m}{s}, so if the frequency is equal for both, and the velocity is directly proportional to wavelength as shown in (1) then higher velocities imply higher wavelengths, that is, electromagnetic wave has longer wavelength.

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