Physics Tests 6 Waves

The number of cycles that are completed per second is called the ________ and is measured in _________.

• frequency, Hertz

• wavelength, meters

• amplitude, meters

• period, seconds

The period of a pendulum is 10 s. What is its frequency?

• 10 Hz

• 1 Hz

• 0.5 Hz

• 0.1 Hz

High frequency waves have _________ wavelength.

• varying

• long

• the same

• short

The distance from one point to the next identical point on a wave is called the ________________.

• waveform

• peak

• amplitude

• wavelength

The number of waves that occur in one second is...

• frequency

• wave speed

• amplitude

• wavelength

The greater the frequency, the ________ energy carried by the wave.

• more

• less

When does the mass move at maximum velocity in a mass-spring system?

• At equilibrium

• At the farthest point from the equilibrium

• At its hightest point

• At its lowest point

When does the mass move at 0 velocity in a mass-spring system?

• At equilibrium

• At the farthest point from the equilibrium

• At its hightest point

• At its lowest point

The graph shows the variation with time of the displacement of an object undergoing simple harmonic motion. At which of the following time values is kinetic energy zero?

• 0 ms

• 40 ms

• 80 ms

• 100 ms

A force of  30 N pushes a very light ideal spring -0.73 m from equilibrium. What is the force constant (spring constant) of the spring?

• 41 N/m

• 22 N/m

• 34 N/m

• 46 N/m