1.2 Test Review

If the length is 0.6 meters, what is the wavelength for the first harmonic in the open tube below?

• 1 meter

• 1.2 meter

• 1.5 meter

• 3 meter

If the length is 0.6 meters, what is the wavelength for the first harmonic in closed tube below?

• 1 meter

• 1.2 meter

• 1.5 meter

• 2.4 meter

If the length is 0.6 meters, what is the wavelength for the third harmonic in a closed tube below?

• 0.8 meter

• 1.2 meter

• 1.6 meter

• 2.4 meter

If the length of this string is 0.6 meters, what is the wavelength for the first harmonic on this string?

• 0.8 meter

• 1.2 meter

• 1.6 meter

• 2.4 meter

If the length of this string is 0.6 meters, what is the wavelength for the second harmonic on this string?

• 0.6 meter

• 1.2 meter

• 1.6 meter

• 2.4 meter

What is the period if the frequency is 350 Hz? (hint: T = 1/f)

• 0.0029

• 0.0031

• 0.0041

• 0.0025

What is the period if the frequency is 250 Hz? (hint: T = 1/f)

• 0.0029

• 0.0031

• 0.0040

• 0.0025

What is the period if the frequency is 450 Hz? (hint: T = 1/f)

• 0.0029

• 0.0031

• 0.0040

• 0.0022

How is it possible for a wave to change its velocity?

• travel through a different material

• change its frequency

• change it wavelength

If you double the wavelength of a wave, what happens to its frequency?

• the frequency is doubled

• the frequency is halved