Standing Waves

Front

How are standing waves created?

Back

Two identical waves move through each other in opposite directions

Front

In the diagram, which letters represent the nodes? Options: A B C, A C E, B D, B D E, A C D

Back

A C E

Front

A violin string of length 0.54 m and wave speed of 565 m/s along it. Calculate the frequency of the 5th harmonic.

Back

3138.89 Hz

Front

The moving black dot is called:

Back

an anti-node

Front

The stationary dot is called:

Back

node

Front

Which harmonic is shown? Options: 1st, 2nd, 3rd, 4th

Back

3rd

Front

How many antinodes does this standing wave have?

Back

6

Front

The first harmonic has

Back

1 antinode

Front

The second harmonic on a string fixed at both ends shows

Back

A wavelength

Front

The third harmonic on a string fixed at both ends shows

Back

A wavelength and a half