# Ps Unit 7 Quiz

22 Questions | Total Attempts: 524  Settings  A quiz on waves.

• 1.
A wave will travel only as long as it has ____ to carry.
• A.

Energy

• B.

Mass

• C.

Amplitude

• D.

Matter

• 2.
Waves in which the particles of the medium move only in the same direction as the motion of the wave are ____ waves.
• A.

Transverse

• B.

Compressional

• C.

Uniform

• D.

Light

• 3.
Waves in which the particles of the medium move only perpendicular to the motion of the wave are ____ waves.
• A.

Transverse

• B.

Compressional

• C.

Uniform

• D.

Light

• 4.
Wave A carries more energy than wave B. Wave B has a smaller ____ than wave A.
• A.

Frequency

• B.

Wavelength

• C.

Speed

• D.

Amplitude

• 5.
For a given wave, if the frequency increases, the wavelength ____.
• A.

Increases

• B.

Decreases

• C.

Stays the same

• D.

Does not exist

• 6.
Sound travels faster in ____ than in water.
• A.

Air

• B.

Steel

• C.

Cork

• D.

Water vapor

• 7.
The unit used to measure frequency is the ____.
• A.

Newton

• B.

Joule

• C.

Decibel

• D.

Hertz

• 8.
Electromagnetic waves ____.
• A.

Are compressional waves

• B.

Are transverse waves

• C.

Must have a medium

• D.

Are generated by static electricity

• 9.
Electromagnetic radiation with the shortest wavelengths is ____.
• A.

Gamma rays

• B.

Visible light

• C.

• D.

Infrared waves

• 10.
Electromagnetic radiation with the longest wavelengths is ____.
• A.

Gamma rays

• B.

Visible light

• C.

• D.

Infrared waves

• 11.
The electromagnetic waves that come from the sun and tanning beds (which can cause skin cancer) are ____.
• A.

• B.

Microwaves

• C.

Infrared waves

• D.

Ultraviolet rays

• 12.
The electromagnetic waves with wavelengths slightly longer than visible light are ____.
• A.

X-rays

• B.

Microwaves

• C.

Infrared waves

• D.

• 13.
The electromagnetic waves interacting with the water molecules in your food to make it hot are ____.
• A.

Microwaves

• B.

X-rays

• C.

Gamma rays

• D.

Ultraviolet rays

• 14.
____ are used for medical imaging.
• A.

Gamma rays

• B.

Infrared waves

• C.

X-rays

• D.

• 15.
Energy (in scientific terms) is defined as ______________.
• A.

Moving an object a certain distance

• B.

The force exerted on an object

• C.

The ability to do work

• D.

The side effect of drinking a red bull

• 16.
A circuit that has two or more separate loops for the current go through is a ____.
• A.

Parallel circuit

• B.

Series circuit

• C.

Circuit diagram

• D.

Electron circuit

• 17.
Using figure 7.1, what is the minimum point on the wave called?
• A.

Crest

• B.

Trough

• C.

Rarefaction

• D.

Compression

• 18.
What type of wave is shown in figure 7.1?
• A.

Longitudinal

• B.

Compressional

• C.

Transverse

• D.

Tsunami

• 19.
Using figure 7.1, what is the highest point on the wave called?
• A.

Crest

• B.

Trough

• C.

Rarefaction

• D.

Compression

• 20.
A wave has a speed of 250 m/s and frequency of 25 Hz.  What is the wavelength?
• A.

10.0 m

• B.

10.0 Hz

• C.

.10 m

• D.

.10 Hz

• 21.
The highest pitch humans can hear has a wavelength of 0.02 m in air and a speed of 340 m/s.  What is the frequency of this sound wave?
• A.

17000 Hz

• B.

6.8 HZ

• C.

.000588 Hz

• D.

170 Hz

• 22.
An ocean wave has a frequency of 2.5 Hz with a wavelength of 10 m.  What is the velocity of the wave?
• A.

25 m/s

• B.

.25 m/s

• C.

4 m/s

• D.

.25 m

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