vibrations and wave motion (auto-gen1)

A wave is a __ energy is transferred through vibrations.

Which property best describes how much energy is in a wave?

• The amplitude

• The wavelength

• The frequency

• The period

The maximum distance the particles of a medium move from their resting position is called _______

• Amplitude
• Crest
• Trough
• Wavelength

Which of the following diagram shows the largest amplitude?

• A

• B

• C

• D

The pendulum moves from P to T and back to P. How many vibrations are produced by the pendulum?

• 1/2 vibration

• 3/4 vibration

• 1 vibration

• 2 vibrations

You observe that a pendulum completes 45 complete cycles in ninety seconds. What is the frequency of this pendulum?

• 100 m

• 1 Hz

• 0.5 Hz

• 1m/s

In the diagram below, X represents a particle in a spring. Which diagram represents the motion of particle X as a longitudinal wave passes through the spring toward the right?

• 
• 
• 
• 

What do waves move?

• particles

• curves

• matter

• energy

1) A generator converts

• electric energy into some forms of energy
• light enrgy into chemical energy
• chemical energy into light enrgy
• certain forms of energy into electric energy

2) Which is an example of a generator?

• A lamp
• A car battery
• A resistor
• A switch