Physical Science Semester 2 Review Chapter 11

16 cards

chapter 11 review


 
  
Created May 28, 2011
by
rachaelsays

 

 
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1
What is a wave?
 
a disturbance that transmits energy through matter or space.
2
Calculate the speed of a wave.
 
wavelength/period
3
What do waves transfer?
 
energy
4
What is the difference between a mechanical wave and an electromagnetic wave?
 
electromagnetic- does not require a medium, disturbance in electric and magnetic fields.
5
What is the connection between vibrations and transformations of energy?
 
simple harmonic motion- faces that push in opposite directions
6
How do particles move in transverse and longitudinal waves?
 
transverse- perpendicular , longitudinal- parallel 
7
How do particles move in a surface wave?
 
circles
8
How can you measure the amount of particle vibration?
 
period
9
How can you determine wave speed?
 
frequency x wavelength
10
What does the speed of a wave depend on?
 
medium
11
What do you know about ALL electromagnetic waves as they travel through empty space?
 
they travel at the same speed
12
What is the relationship between frequency and pitch?
 
pitch is determined by frequency
13
Understand the Doppler effect?
 
an observed change in frequency of a wave when the source/observer is moving
14
Understand how waves behave. Reflection, refraction, and diffraction. 
 
reflection- the bouncing back of a wave when it meets a surface, diffraction- the bending of...
15
What happens when two waves interfere?
 
constructive- combining of waves where it is bigger than the original, destructive- resulting...
16
What is a standing wave?
 
a vibration of a system in which some points remain fixed while others between vibrate

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