What happens to sound waves from an object as it moves toward you?(1 point)

Responses

The pitch gets lower because of an increase in wavelength.
The pitch gets lower because of an increase in wavelength.

The pitch gets higher because of an increase in wavelength.
The pitch gets higher because of an increase in wavelength.

The pitch gets lower because of an increase in frequency.
The pitch gets lower because of an increase in frequency.

The pitch gets higher because of an increase in frequency.

1 answer

The correct response is:

The pitch gets higher because of an increase in frequency.

As an object moves toward you, the sound waves it emits are compressed, resulting in a higher frequency and, therefore, a higher pitch. This phenomenon is known as the Doppler effect.