Magnetism
Vocab
All about waves
Characteristics of waves
Transverse vs Longitudinal
100
What are the ends of a magnet called ?
North and South
100
Pulses are what ?
regular, measured beats
100
Can one bit of light bounce off another bit of light?
Yes
100
What is the crest ?
The highest point of a transverse wave
100
A transverse wave has one thing a longitudinal wave doesnt what is it ?
crest
200
What happens if you cut a bar magnet in half ?
You get two smaller magnets both with north and south poles
200
Diffraction is ?
Occurs when an object causes a wave to change direction and bend around it
200
A single disturbance that moves from point to point through a medium is called a ?
Pulse
200
Trough is what ?
Lowest point of a wave
200
The motion of the points of the medium forming the wave is in the same direction as the direction of the propagation of wave pattern. What wave is described here ?
Longitudinal
300
What is magnetism?
A force created by magnets
300
Hertz ?
Wave cycle per second
300
If the particles of the medium are vibrating to and fro in the same direction of energy transport, then the wave is a ____ wave.
Longitudinal
300
What is the amplitude of the wave in the diagram below?
.060
300
Longitudinal waves have a specific characteristics that transverse waves dont, what are they ?
Rarefaction and compression
400
Magnetism energy from a magnets flows from what to what ?
South to north inside and north to south outside
400
resonance is ?
naturally vibrant at the same frequency
400
As a wave travels into a medium in which its speed increases, its wavelength would ____.
decrease
400
How many complete waves are shown in the diagram?
2
400
I can go through a vacuum what am i ?
Transverse wave
500
Coulombs Law helped solve electric problems all across the world with his formula what was it?
500
Oscillatory motion is ?
movement back and forth between two opposing points
500
When the particles of a medium are vibrating at right angles to the direction of energy transport, then the wave is a ____ wave.
Transverse
500
Many wave properties are dependent upon other wave properties. Yet, one wave property is independent of all other wave properties. What wave property is independent of all the others?
Wavelength
500
Which of the following is not an example of a transverse wave?
Possible Answers:
A break dancer doing "the worm"
Plucking a guitar string
A girl holding a jump rope moving her arm up and down
An earthquake
Jumping up and down on one end of a rope bridge
An earthquake