Question

5. Which one of the following statements does not accurately describe vibrations?

Answer 1

Answer:

5-B

8-B

18-C

Explanation:

Hello! Let's solve this!

The answers are

5- B- Forced vibrations, such as those that occur between a fretboard and a large cabinet surface, produce a much lower sound than that produced by the original vibrating body.

8- B. The area covered by the wavefront increases as the wave progresses, but the energy that passes through a wavefront in a unit of time decreases.

18- c- The frequency of the sound waves will change for the listener as a result of the Doppler effect.

The Doppler effect is a change in frequency due to a change in the source.

Answer 2

8) is b.

im not sure if this is right though

18) is d