Unit for Frequency
Hertz
What is the equation for frequency?
F= n/T
Convert period to frequency: 2 sec
0.5 Hz
Change in the direction of propagation of a wave
Reflection
It's the lowest point in the medium
Through
Time for one cycle
Period
Units for velocity
Dist (cm, s)
If frequency decreases, what happens to wavelength?
Increases
The spreading of waves around obstacles
Diffraction
What is a basic example of periodic motion?
Pendulum
The maximum displacement of a particle
Amplitude
In Transverse waves the displacement is parallel. TRUE OR FALSE?
False. it's perpendicular
In a wave diagram, the distance between the highest point to the lowest point is 6cm, what is the amplitude?
3 cm
Refraction causes the change of what?
Speed
where does the linear motion go from?
It has one direction
Variable of period
T
Equation for period: T= 1/f
True or false?
True
If it takes 50 seconds for an object to travel around a
circle 5 times, what is the period of its motion?
10 sec
Doppler effect is the change of what?
Frequency
A pendelum takes 2 seconds to go from points A to C and back A, what is its period?
2 seconds
The shortest distance between two points
Wavelength
Restoring force
Equation for wavelenght
λ= v/f
When does interferance occur?
When two waves meet while traveling along the same medium
Define crest
The highest point in the medium