Question

Beats are produced when _____. a musical instrument is in tune two sound waves with very similar frequencies interfere two sound waves with very different frequencies interfere

Answer 1

Yes, 2 sounds of very different frequencies interfere.

From TRECA lesson glossary: Beats are produced when a series of alternating reinforcements and cancellations produced by the interference of the waves of different frequencies

Answer 2

Answer: The correct answer is "A musical instrument is in tune two sound waves with very different frequencies interfere".

Explanation:

Beats are produced when the different frequencies of two sound waves interfere.

When the two sound waves of different frequencies approach our ear then there will be alternating constructive and destructive interference causes sound loud and soft.

Therefore, the correct answer is "A musical instrument is in tune two sound waves with very different frequencies interfere".