Physical Science B Semester Exam

Question

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Question
The first part shows a man producing a sound with a wavelength of 2.0 m and a frequency of 165 hertz. The speed calculated using the formula, wave speed = frequency times wavelength, is 330 meters per second = 165 hertz times 2.0 m. The second part shows a woman producing a sound with a wavelength of 0.2 m and a frequency of 1650 hertz. The speed calculated using the formula, wave speed = frequency times wavelength, is 330 meters per second = 1650 hertz times 0.2 m.

Which statement regarding sound traveling in air is correct?

(1 point)
Responses

The frequency of a sound does not affect the speed at which it travels.
The frequency of a sound does not affect the speed at which it travels.

A wave with a shorter wavelength is always faster than one with a longer wavelength.
A wave with a shorter wavelength is always faster than one with a longer wavelength.

As the wavelength increases, the frequency also increases.
As the wavelength increases, the frequency also increases.

A loud sound travels faster than a quiet sound.

Answer 1

The frequency of a sound does not affect the speed at which it travels.