Waves - beats

Question 1

How are beats created?

Answer 1

Beats are created when two slightly varying frequencies that have the same amplitude are travelling at the same time. This means that they superimpose and the constructive and destructive interference adds together

Question 2

What are beats?

Answer 2

Beats occur when two slightly varying frequencies superimpose and produce constructive and destructive intereference at certain points, causing the loudness of the sound to periodically vary .

Question 3

Beat formula

Answer 3

Fbeat = F1 - F2

Question 4

How are beats used?

Answer 4

In music, to tune instruments. If there are beats produced when two instruments are playing the same note, then they are out of tune.