What electromagnetic wave travels the fastest?

All travel at the speed of light 'c'.

Compare the period of Light Wave A to that of Light Wave B.

twice the period of Light Wave B

one-fourth the period of Light Wave B

one-half the period of Light Wave B

the same period as Light Wave B

The amplitude of two light waves (Light Wave A and Light Wave B) as a function of time are shown below. Which of the following best describes the relationship between the amplitudes of Light Wave A and Light Wave B?

Both waves have the same amplitude.

Light Wave A has a greater amplitude than Light Wave B.

Light Wave B has a greater amplitude than Light Wave A.

The amplitudes of both waves vary randomly.

Compare the frequency of Light Wave A to that of Light Wave B.

one-half the frequency of Light Wave B

twice the frequency of Light Wave B

one-fourth the frequency of Light Wave B

the same frequency as Light Wave B

Sound engineers at an automobile factory plan to design a device that could be used as a type of muffler for road noise. In order to cancel all the exterior noise, they must create what type of interference with the sound waves outside the vehicle?

Completely destructive interference

Completely constructive interference

Partially constructive interference

Partially destructive interference

The diagram below shows two pulses, each of length ℓ, traveling toward each other at equal speeds in a rope. Refer to the diagram above. Which diagram best represents the shape of the rope when both pulses are in Region AB?

A) [Diagram: Two pulses, one up and one down, height 0.10m]

B) [Diagram: Two pulses, one up and one down, height 0.20m]

C) [Diagram: Two pulses, both up, height 0.10m]

D) [Diagram: Two pulses, both up, height 0.20m]

The two individual light waves occupy the same space at the same time. Which of the following is the best description of the resultant light wave intensity at t = 1.5 s?

The resultant wave has greater intensity than Light Wave B at t = 1.5 s.

There is no light at t = 1.5 s.

The resultant wave has a lower intensity than Light Wave B at t = 1.5 s.

The resultant wave has the same intensity as Light Wave B at t = 1.5 s.

As the distance increases separating the objects, what will happen to the force?

increases on the left one and decreases on the right one

Which is larger, the Sun's gravitational pull on the Earth or Earth's gravitational pull on the Sun?

They pull on each other equally

The Sun's pull on the Earth is larger.

The Earth's pull on the Sun is larger

The Sun's pull on the Earth is twice as large as Earth's pull on the Sun.

If Earth's mass was cut in half, what would happen to your mass?

increase because gravitational force increases

decrease because gravitational force decreases

increase because gravitational force decreases

Charles de Coulomb measured attractive and repulsive forces caused by charged objects. Which statement is true about the electromagnetic force?

The charge and distance between two charged objects both influence the electromagnetic force between the two objects.

The distance between two charged objects has no effect on the electromagnetic force between the two objects.

During a lab experiment, two identical conducting spheres were charged using a rubber rod and a piece of fur. They were hung from strings as shown in this diagram. What type of charge do the spheres most likely have?

Both spheres are negatively charged

Both spheres are positively charged

One sphere is positive, the other is negative

The graphic below illustrates the path of a positively charged particle as it is fired between two plates of unknown charge: Which of the following is the most likely orientation of the plates?

Plate A - Negative, Plate B - Positive

Plate A - Positive, Plate B - Positive

Spring Semester Exam

Authored by Tammy McDaniel

Science

12th Grade

NGSS covered

Used 3+ times

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31 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sound waves travel through water by —

passing through spaces between water molecules

being absorbed and then emitted by water molecules

causing water molecules to compress and move apart

vibrating water molecules perpendicular to the direction of sound motion

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is necessary for light to propagate?

Air

Ether

Matter

None of these are necessary.

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculate the speed of a periodic wave that has a wavelength of 2.0 m and a frequency of 3.0 Hz.

2.0 m/s

5.0 m/s

6.0 m/s

12.0 m/s

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As the amplitude of a mechanical wave increases, which of the following quantities increases?

Speed

Wavelength

Frequency

Energy

Tags

NGSS.MS-PS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the wavelength of the wave according to the Displacement v. Length graph above?

0.25 m

0.5 m

1.0 m

2.0 m

Tags

NGSS.MS-PS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following properties of a wave cannot be changed by reducing wave velocity?

Wavelength

Frequency

Amplitude

Energy

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student creates a graph of position v. time for the height of a floating buoy as ocean waves go by. What is the amplitude of the buoy based on the graph above?

2.0 m

2.5 m

5.0 m

The amplitude varies depending on the time.

Tags

NGSS.MS-PS4-1

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Spring Semester Exam

Sound waves travel through water by —

Which of the following is necessary for light to propagate?

Calculate the speed of a periodic wave that has a wavelength of 2.0 m and a frequency of 3.0 Hz.

As the amplitude of a mechanical wave increases, which of the following quantities increases?

What is the wavelength of the wave according to the Displacement v. Length graph above?

Which of the following properties of a wave cannot be changed by reducing wave velocity?

A student creates a graph of position v. time for the height of a floating buoy as ocean waves go by. What is the amplitude of the buoy based on the graph above?

A student creates a graph of position v. time for the height of a floating buoy as ocean waves go by. Refer to the graph above. At what time will the buoy be at a crest?

What electromagnetic wave travels the fastest?

A sound wave is propagating through the air from left to right as shown in the diagram below.

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