Physics Final

Listening to your favorite radio station involves which area of physics?

• optics

• thermodynamics

• vibrations and wave phenomena

• relativity

What two dimensions, in addition to mass, are commonly used by physicists to derive additional measurements?

• length and width

• area and mass

• length and time

• velocity and time

The SI base unit for time is

• 1 day

• 1 hour

• 1 minute

• 1 second

For a system in simple harmonic motion, which of the following is the number of cycles or vibrations per second?

• amplitude

• period

• frequency

• revolution

How are frequency and period related in simple harmonic motion?

• Period is twice the frequency.

• Period is the inverse of the frequency.

• Period is half the frequency.

• Period is the square root of the frequency.

A wave travels through a medium. As the wave passes, the particles of the medium vibrate in a direction perpendicular to the direction of the wave’s motion. The wave is

• longitudinal

• perpetual

• tranverse

How many nodes and antinodes are shown in the standing wave above?

• four nodes and four antinodes

• four nodes and three antinodes

• four nodes and five antinodes

• five nodes and four antinodes

Each compression in the waveform of the longitudinal wave shown above corresponds to what feature of the transverse wave below it?

• wavelength

• crests

• troughs

• amplitude

Each stretched region in the waveform of the longitudinal wave shown above corresponds to what feature of the transverse wave below it?

• wavelength

• crests

• troughs

• amplitude

Sound waves

• are a part of the electromagnetic spectrum.

• do not require a medium for transmission.

• are longitudinal waves.

• are transverse waves