Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
|
Name the waves of the Electro-magnetic spectrum form the lowest frequency to highest. Hint: RMIVUXGC |
Radio, Micro, Infra-red, Visible, Ultra-violet, X-rays, Gamma rays, Cosmic rays |
|
|
Define Frequency, Amplitude and Period in the context of waves. |
Frequency = The number of crests of a wave that move past a given point in a given unit of time Amplitude = The maximum displacement moved by a point on a wave measured from its equilibrium position Period (Time Period) = The time needed for one complete cycle of vibration t0 pass a given point |
|
|
v = f(lambda) A wave is traveling at 10 m/s with a frequency of 200 Hz, calculate its wavelength. |
Lambda = v / f = 10 / 200 = 1 / 20 m <--- (Don't forget units) |
|
|
What is Equilibrium in the context of waves? |
Where the object rests after oscillation stop |
|
|
To be in Phase what must wave's peaks and troffs do? |
They must meet at the same time as the other wave (2 waves are invloved) |
|
|
What measurement is used to represent Phase? |
Radians |
|
|
What mathematically represents anti-phase? |
1/2 a cycle Pi / 2 |
|
|
Which type of wave is known as a pressure wave? Known as P waves aswell (seismic) (P = Pressure) |
Longitudinal waves |
|
|
Are Transverse waves an example of a sound or light wave? |
Light wave because it doesn't need particles to travel. Only the Electro-magnetic spectrum |
|
|
Define the term wave |
Wave = An oscillation that travels through matter or space, transferring energy without transferring matter |
|
|
Define Propagation in the context of waves |
Propagation = The direction of energy transfered in a wave |
|
|
What are the 2 main types of wave graphs? |
Displacement position graphs and Displacement time graphs |
|
|
Define Superposition in the context of waves |
Superposition = When 2 or more waves arrive at the same position at the same time and the resultant displacement is those waves combined |
|
|
What are the 2 outcomes of Superposition |
Destructive waves and Constructive waves Adding the waves or taking away one from the other. |
