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Worksheets3.05 Unit 3 Exam Review-Waves
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
Use the diagram to answer the following question. Which characteristic of a wave is shown at Point E?
a)
wavelength
b)
amplitude
c)
crest
d)
trough
2.
Use the diagram to answer the following question. Which characteristic of a wave is shown at Point C?
a)
wavelength
b)
amplitude
c)
crest
d)
trough
3.
What is the period of vibration of a wave that vibrates 3 times each second?
Remember period=1/frequency
Remember period=1/frequency
a)
3 seconds
b)
0.3 seconds
4.
What is the speed of a wave that has a frequency of 45 Hz and a wavelength of 0.1 meters?
Remember : wave speed=frequency X wavelength
Remember : wave speed=frequency X wavelength
a)
0.45 m/s
b)
4.5 m/s
5.
Surface waves move only in a back and forth motion.
a)
True
b)
False
6.
Which of the following is an example of electromagnetic waves in nature?
a)
light
b)
sound
7.
Which of the following is the best definition of constructive interference?
Remember-destructive is canceling out & Constructive is putting together
Remember-destructive is canceling out & Constructive is putting together
a)
the subtraction of one wave from another
b)
the addition of one wave to another
8.
What happens during destructive interference?
Remember-destructive is canceling out & Constructive is putting together
Remember-destructive is canceling out & Constructive is putting together
a)
the crests and troughs of out-of-phase waves cancel each other out
b)
the crests and troughs of two waves combine into one larger waveform
9.
The Doppler Effect explains why you hear a train whistle differently after it passes you than you do as it approaches you.
Remember:The Doppler Effect is the observation that the wavelength and frequency of waves propagating from a moving source appear differently to different observers of the wave, depending on where they are located in relation to the wave. Observers ahead of the wave observe an increase in wave frequency and those behind the wave observe a decrease in wave frequency.
Remember:The Doppler Effect is the observation that the wavelength and frequency of waves propagating from a moving source appear differently to different observers of the wave, depending on where they are located in relation to the wave. Observers ahead of the wave observe an increase in wave frequency and those behind the wave observe a decrease in wave frequency.
a)
True
b)
False
10.
Which of the following is the best definition of refraction?
Remember refraction is a change in wave direction due to a change in wave speed
Remember refraction is a change in wave direction due to a change in wave speed
a)
change in wave direction due to a change in wave speed
b)
blocking a wave by a sharp boundary
11.
Sound will not travel through _____.
Remember sound waves require a medium to travel
Remember sound waves require a medium to travel
a)
a vacuum (like space)
b)
liquids (like water)
12.
Sonography is a medical technology that can be used to visualize inside the body.
Think about when a pregnant women finds out if she is having a boy or girl
Think about when a pregnant women finds out if she is having a boy or girl
a)
True
b)
False
13.
Which of the following is the best definition of diffraction?
Remember: Diffraction occurs when a wave changes direction to move around an obstacle in its path.
Remember: Diffraction occurs when a wave changes direction to move around an obstacle in its path.
a)
a wave bending when it encounters a temperature difference
b)
a wave changing directions or moving around something in it path
14.
Where is visible light found on the electromagnetic spectrum?
Remember: Be sure to look at the picture before answering this question
Remember: Be sure to look at the picture before answering this question
a)
in between infrared and ultraviolet light
b)
at any point with higher frequency than gamma rays
15.
The colors of visible light each correspond to a different frequency of electromagnetic waves.
Remember to look at the picture before answering this question.
Remember to look at the picture before answering this question.
a)
True
b)
False
16.
Visible light occupies the majority of the electromagnetic spectrum.
Remember to look at the picture before answering this question.
Remember to look at the picture before answering this question.
a)
True
b)
False
17.
If you perceive a leaf as green, then the leaf is absorbing all the frequencies of visible light except for that associated with green.
a)
True
b)
False
18.
A prism is used to turn white light into black light.
Remember: A prism is used to disperse white light into the colors of the rainbow.
Remember: A prism is used to disperse white light into the colors of the rainbow.
a)
True
b)
False
19.
Radio waves are a type of mechanical sound wave.
Remember: Radio waves are a type of electromagnetic wave.
Remember: Radio waves are a type of electromagnetic wave.
a)
True
b)
False
20.
In nature, waves are observed in ____.
a)
water and light only
b)
water, light, and sound
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