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WorksheetsTest Waves, EM, Sound Test
Total questions: 46
Worksheet time: 36mins
Which of the following statements is not true about EM waves?
They cannot travel in vacuum.
They travel at constant speed.
They carry energy.
They are reflected.
Which of the following statements is true about EM waves?
EM waves have the same speed and energy but different wavelength and frequency.
EM waves have the same speed but different wavelength, frequency and energy.
EM waves have the same energy but different speed, wavelength and frequency.
EM waves have the same wavelength and frequency but different speed and energy.
Among the following colors of the visible light, which has the highest frequency?
orange
yellow
blue
green
Which among the following colors of the visible light has the longest wavelength?
violet
red
blue
yellow
Which of the following shows the correct arrangement of EM waves based on increasing wavelength?
radio - micro - infrared - light - UV rays - X rays - gamma rays
gamma rays - x rays - UV rays - light - infrared - micro - radio
gamma rays - UV rays - x rays - light - micro - infrared - radio
radio - infrared - micro - light - x rays - UV rays - gamma rays
Out of the following em waves, which is the most dangerous?
Infrared
Microwave
Gamma ray
Radio wave
What is the amplitude of the wave?
3 cm
8 cm
16 cm
24 cm
What is the wavelength of the wave?
3 cm
8 cm
16 cm
24 cm
What is the speed of the wave?
4 cm/s
8 cm/s
16 cm/s
24 cm/s
What is the wavelength of the wave?
3 cm
9 cm
18 cm
27 cm
What is the amplitude of the wave?
2 cm
9 cm
18 cm
27 cm
The number of waves that pass a fixed point in a given amount of time is...
frequency
wave speed
amplitude
wavelength
How many waves are in this wave train?
10
5
20
1
What is the speed of the wave? The wavelength is 10 meters.
60 m/s
15 m/s
10 m/s
26.6 m/s
A wave has a wavelength of 2 meters and a frequency of 1.5 Hz. What is its speed? (Include Units)
(a)
A wave is 8 meters long and has a frequency of 3 Hz. Find speed.
(a)
A wave has a speed of 50 m/sec. If its frequency is 100 Hz, what is its wavelength?
(a)
Elephants and submarines use (a) sound (too low to hear) to communicate over long distances.
Dog whistles use (a) frequencies.
Which of the following statements are true about sound waves?
they are longitudinal waves
they are transverse waves
the waves' motions happen in the same direction that the wave travels
the waves' motions happen perpendicular to the direction that the wave travels
as a sound wave passes through a medium, particles in the air bunch together and spread out, creating areas of high and low pressure
How does a sound wave begin?
vibration of a medium
transfer of heat
in our ears
in empty space
Through which of the following would sound travel fastest?
outer space
a railroad track
ocean water
the atmosphere
Which of the following best describes how high and low pitch are different?
a high-pitched sound has a high amplitude and a low-pitched sound has a low amplitude
a person is close to a high-pitched sound and far away from a low-pitched sound
a high-pitched sound is loud while a low-pitched sound is quiet
a high-pitched sound has a high frequency and a low-pitched sound has a low frequency
Which of the following would be true if a wave's frequency increased?
the wave's amplitude would be lower
the wave's amplitude would be higher
the wave's wavelength would shorten
the wave's wavelength would lengthen
Which statements are true about high and low-pitched sounds? Choose all that are true.
sounds that are too high for humans to hear are called infrasounds
sounds that are too high for humans to hear are called ultrasounds
elephants can hear infrasounds
cats and dogs can hear higher-pitched sounds than humans
infrasounds have a high frequency and ultrasounds have a low frequency
Why you can see lightning before you hear thunder?
Light waves travel slower than sound waves
Light waves travel faster than sound waves
Light waves travel at the same speed as sound waves
Sort the following from the fastest speed to slowest speed according to how fast light waves will travel through the medium: liquid, solid, gas.
Gas, Liquid, Solid
Solid, Gas, Liquid
Solid, Liquid, Gas
Space movies are great! But something just is not right about the spectacular battle scenes in Star Wars. Describe in detail why a battle in outer space would be extremely quiet. (5 points)
Write out the entire electromagnetic spectrum (what we have studied) starting with the longest wavelength to the shortest. Include the colors of visible light. (5 points)
A transverse wave is a wave in which particles of the medium move in a direction perpendicular to the direction that the wave moves. Give an example of this phenomenon. (Hint* Mr. V. gave this example several times.) (5 points)
Give examples of how radiation can help save lives and can also destroy them. Make sure to specify the type of radiation you are referring to. (Full Sentences)
