If you have 2 mediums that have no impedance mismatch, what will happen at their interface?

If the period of a wave is increased by a factor of 6, what happens to the frequency?

Which of the following cannot be changed by the sonographer?

Compare two sound waves, A and B.  The frequency of wave A is 3 times that of wave B.  How does the period of wave A compare with the period of wave B?

Using the wave diagram below; If the x-axis for the 2 waveforms is distance, the wavelength for waveform 1 is ____________.

At which of the following angles are both the sin and cosine negative?

Using the diagram below; If waveform 1 and waveform 2 have the same frequency, how can you account for their different appearances?

What type of incidence is indicated at the boundary between medium 3 and medium 4?       Medium       1            2           3             4

Calculate the decimal equivalent of the binary number 10101.

Using the diagram below, determine the medium where the sound beam will have the lowest intensity.