Chapter 4 - Short Quiz

The time it takes for a wave to complete one wave cycle is the wave’s ____.

• amplitude

• period

• wavelength

• frequency

The distance from the trough of a wave to the adjacent trough is the ____.

• amplitude

• period

• wavelength

• speed

Any motion that repeats in a regular cycle is known as ____ motion.

• transverse

• wave

• simple harmonic

• periodic

The number of times a wave cycle repeats each second is the ____ of the wave.

• period

• frequency

• velocity

• wavelength

The bending of waves at the boundary of two different media is known as ____ .

• refraction

• reflection

• incidence

• diffraction

The rate of energy transfer for a particular wave is directly proportional to the ____.

• amplitude

• square of the amplitude

• frequency

• square of the frequency

The speed of a wave is equal to ____ times frequency.

• energy transfer

• amplitude

• period

• wavelength

A spring is stretched 3 cm by a force of 12 N. How far would the spring have to be stretched to produce a potential energy of 0.143 J? Round final answer to 2 s.f.

• 3 cm

• 4 cm

• 5 cm

• 6 cm

A spring that is stretched 23.0 cm from its equilibrium point experiences a force of 103 N. What is the spring constant?

• 4.48 N/m

• 23.7 N/m

• 128 N/m

• 448 N/m

Sound waves travel approximately 340 m/s through the air. What is the wavelength of a sound wave that has a frequency of 192 Hz?

• 1.77 m

• 1.31 m

• 0.884 m

• 0.565 m