1. Jeopardy Final Jeopardy Wave Properties Wave Calculations Wave
Behavior
EMW
Waves
EMW
Spectrum
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500
Final Jeopardy

2.
Which of the following is correctly showing the wavelength? A

3.
Which of the following is correctly labelling the trough? Crest?
Trough – C
Crest – D

4.
Which of the following is correctly showing the amplitude? D

5. 1 - 400 What is #1 and #2 labelling? #1 – Compression
#2 – Rarefraction

6. 1 - 500 What is the difference between Frequency and Period?
Frequency – how many waves pass in 1 second
Period – How long it takes to complete one wave

7. 2 - 100 V=fλ Velocity = frequency * lambda
What is the equation for wave speed?
V=fλ
Velocity = frequency * lambda

8.
What is the frequency of Wave A if the graph is covering 1 second.
4Hz

9. 2 - 300 What is the period of Wave C if the graph covers 1 second
.5 seconds

10.
What is the speed of Wave B if the graph covers 1 second and 10 meters?
F=1 Hz
λ= 10 meters
V= 10 m/s

11. 2 - 500 Which wave has the fastest speed?
If they are covering 10 meters in 1 second.
They are all going 10 m/s

12.
Echoes are an example of what wave behavior?
Reflection

13.
A straw seeming to bend in water is an example of what wave behavior?
Refraction

14.
Sound going around a corner is an example of what wave behavior?
Diffraction

15.
As you move away from a siren to the frequency of the siren does what?
Decreases

16.
What is the difference between Constructive Interference, Destructive Interference and Superposition
Constructive – 2 waves add together
Destructive – 2 waves cancel each other out
Superposition – 2 waves pass each other without affecting each other

17.
What is the main difference between Mechanical Waves and Electromagnetic Waves?
EM waves can travel through a vacuum and mechanical waves need matter

18. 4 - 200 Electromagnetic waves are what type of waves?
Transverse (specifically 2 transverse waves – double transverse wave)

19. 4 - 300 All objects made of matter emit EM waves, why?
They all have charged particles

20. 4 - 400 How can we tell how much energy an electromagnetic wave has?
What about mechanical waves?
EM = frequency
Mechanical = amplitude

21. 4 - 500 How do we create a magnetic field?
How about an electrical field?
Magnetic field – by changing electric currents
Electrical field – by changing magnetic fields

22. 5 - 100 What do we use infrared EM waves for? Thermo-imaging
Tv remotes
Cd drives

23.
If an EM wave has a shorter wave length, what does that mean for it’s frequency?
Energy?
Higher frequency
Higher Energy

24. 5 - 300 Which has a longer wavelength Red light or Blue light?

25.
What is one positive aspect of UV light and one negative for humans?
Positive – vitamin D
Negative – Sunburn/Skin Cancer

26. 5 - 500 Which waves have more energy Infrared or Ultraviolet? Why?
Shorter wavelength
Higher frequency

27. Final Jeopardy
Please list the Electromagnetic Spectrum from lowest energy to highest energy – give one example for each type of wave
Radio – radio
Microwaves – Microwaves
Infrared – thermos-imagining
Visible light – seeing
UV – vitamin D, heat, disinfectant
X-rays – x-rays
Gamma – Cancer treatment