Mechanical waves differ from electromagnetic waves because mechanical waves

cause particles in a medium to vibrate.

cannot be refracted around corners.

Why is lightning visible before thunder is heard?

Sound travels slower than light can travel.

Light needs a medium to travel through

Sound cannot reflect off of surfaces as easily as light.

Sound is not processed by the brain as fast as light.

Which question will help tell if a wave is an electromagnetic wave or a mechanical wave?

Can the wave travel between the Sun and Earth?

Does the wave have a frequency?

Does the wave have a wavelength?

Can the wave travel between a gas and a liquid?

Which of the following questions would allow a student to determine if a wave was mechanical or electromagnetic? Choose the TWO questions that would allow the type of wave to be determined.

Can the wave travel in a vacuum?

Does the wave require a physical medium through which it travels?

Does the wave have an amplitude?

Does the wave have the ability to travel through water?

A source of waves and an observer are both initially stationary. The observer will detect a steadily increasing frequency if

he accelerates toward the source.

the source accelerates away from him.

the source moves away from him at a constant speed.

he moves toward the source at a constant speed.

Which of the following is the same for radio waves and gamma rays traveling in space?

only if it is in the form of gamma rays.

only if it is in the form of visible light.

What determines the frequency of an electromagnetic wave?

The orientation of the wave source.

The distance over which the wave travels.

The medium through which the wave travels.

When a mechanical wave travels through a medium,

energy is transferred from one place to another.

energy and matter remain in one place.

matter is transferred from one place to another.

matter and energy move from one place to another.

Select all of the statements that correctly describe mechanical waves.

They can travel through air and water.

Ocean waves are an example of them.

Microwaves are an example of them.

They can travel through a complete vacuum.

Which of the following statements about electromagnetic radiation is true?

Electromagnetic waves with high frequency are more energetic than electromagnetic waves with low frequency.

Electromagnetic waves with long wavelength are more energetic than electromagnetic waves with short wavelength.

All electromagnetic radiation carries the same amount of energy.

Electromagnetic radiation in a vacuum can change frequency to become more or less energetic.

Which of the following is true about energy from the Sun?

It arrives as radiation in a wide range of wavelengths.

It arrives as mechanical energy in a wide range of wavelengths.

It arrives as sound energy made up of only sound waves.

It arrives as radiation made up of only visible light.

A train blows its whistle as it moves rapidly towards a stationary observer. Which of the following best describes the sound of the whistle as heard by the observer in comparison to the sound as heard by a passenger on the train?

The sound heard by the observer will be higher in pitch than the sound heard by the passenger.

The sound heard by the observer will be the same as the sound heard by the passenger.

The sound heard by the observer will of a higher volume than the sound heard by the passenger.

The sound heard by the observer will be lower in pitch than the sound heard by the passenger.

Which of the following correctly describes sound waves?

They are a part of the electromagnetic spectrum.

They do not require a medium for transmission.

What would happen to the frequency of a wave if its wavelength was decreased by one-half?

The frequency would be doubled.

The frequency would produce a standing wave.

The frequency would remain the same.

If a wave is traveling at a certain speed and the frequency is increased, what will happen to its wavelength?

The wavelength will produce a standing wave.

The wavelength will remain the same.

Sam looks at the electromagnetic spectrum below. After evaluating the electromagnetic spectrum, Sam accurately noted that as the wavelength

decreases, the frequency increases.

increases, the frequency remains constant.

decreases, the frequency decreases.

increases, the frequency increases.

Elzie is watching cars race at the local track. She is sitting in the stands at the north end. How do the sound waves of the race cars change as they approach her section of the track?

The pitch changes from low to high.

The pitch changes from high to low.

The speed of the waves increase.

The speed of the waves decrease.

Which of the following best explains how longitudinal and transverse waves transfer energy?

In longitudinal waves the energy is transferred horizontally, and in transverse waves the energy is transferred in an up and down direction.

In both longitudinal and transverse waves the energy is transferred horizontally.

In both longitudinal and transverse waves the energy is transferred in an up and down direction.

In longitudinal waves the energy is transferred in an up and down direction, and in transverse waves the energy is transferred horizontally.

The model shows a train leaving point A and approaching point B. Which statement best describes a change in the sound wave associated with the Doppler effect?

The wavelength becomes shorter as the train approaches point B.

The energy of the wave decreases as the train approaches point B.

The pitch of the wave becomes lower as the train approaches point B.

The frequency of the wave decreases as the train approaches point B.

Waves Test

Authored by David Thibodeau

Science

9th - 12th Grade

Used 4+ times

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58 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The reason that a police car’s siren sounds HIGHER in pitch as it approaches you, is because the truck pushes the sound waves together so that the sound wavelengths in front of the truck gets shorter. This causes the

Frequency to increase, which increases the pitch

Velocity to decrease, which increases the frequency

Frequency to decrease, which decreases the pitch

Wavelengths to get longer, which increases the pitch

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the frequency of a wave with a period of 2 seconds?

2 Hz

1 Hz

0.5 Hz

3 Hz

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A bee produces a sound with a wavelength of 3.2 m and the speed of sound is 345 m/s. What is the frequency of this sound?

1104 Hz

341.8 Hz

0.009 Hz

107.8 Hz

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A wave with a speed of 25 m/s has a frequency of 400 Hz. What is the wavelength of the wave?

16 m

375 m

0.0625 m

400 m

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A wave traveling at 300 m/s has a wavelength of 6.7 meters. What is the frequency of this wave?

2010 Hz

0.02 m/s

300 Hz

44.7 Hz

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A wave has a frequency of 450 Hz and a wavelength of 4 meters. At what velocity will this wave travel?

112.5 m/s

1800 m/s

454 m/s

0.008 m/s

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The diagram illustrates what happens when white light passes though a glass prism.
Which phrase best describes this phenomenon?

reflection and interference

transmission and the Doppler effect

scattering and diffraction

refraction and dispersion

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Waves Test

The reason that a police car’s siren sounds HIGHER in pitch as it approaches you, is because the truck pushes the sound waves together so that the sound wavelengths in front of the truck gets shorter. This causes the

What is the frequency of a wave with a period of 2 seconds?

A bee produces a sound with a wavelength of 3.2 m and the speed of sound is 345 m/s. What is the frequency of this sound?

A wave with a speed of 25 m/s has a frequency of 400 Hz. What is the wavelength of the wave?

A wave traveling at 300 m/s has a wavelength of 6.7 meters. What is the frequency of this wave?

A wave has a frequency of 450 Hz and a wavelength of 4 meters. At what velocity will this wave travel?

The diagram illustrates what happens when white light passes though a glass prism.Which phrase best describes this phenomenon?

Which of the following diagrams best represents the phenomenon of refraction?

Mechanical waves differ from electromagnetic waves because mechanical waves

Why is lightning visible before thunder is heard?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

The diagram illustrates what happens when white light passes though a glass prism.
Which phrase best describes this phenomenon?