Question 1

The amplitude of the wave shown in the figure is

Accepted Answer

A)  A. 
B)  B. 
C)  C. 
D)  D. 
A)  A. 
B)  B. 
C)  C. 
D)  D. B

Question 2

To an astronaut in orbit around the earth the sky appears

Accepted Answer

A)  red. 
B)  blue. 
C)  white. 
D)  black. 
A)  red. 
B)  blue. 
C)  white. 
D)  black. D

Question 3

Polarization is similar to

Accepted Answer

A)  refraction. 
B)  interference. 
C)  diffraction. 
D)  None of the choices are correct. 
A)  refraction. 
B)  interference. 
C)  diffraction. 
D)  None of the choices are correct. D

Question 4

A medal in a plastic cube whose index of refraction is 1.5 appears to be 20 mm below the upper surface of the cube. The depth of the medal is actually

Accepted Answer

A)  10 mm. 
B)  13 mm. 
C)  20 mm. 
D)  30 mm. 
A)  10 mm. 
B)  13 mm. 
C)  20 mm. 
D)  30 mm.

Question 5

Relative to the focal length of a wide-angle camera lens, the focal length of a telephoto lens is

Accepted Answer

A)  shorter. 
B)  the same. 
C)  longer. 
D)  Any of theses choices could be correct, depending on the camera. 
A)  shorter. 
B)  the same. 
C)  longer. 
D)  Any of theses choices could be correct, depending on the camera.

Question 6

Sound waves travel fastest in

Accepted Answer

A)  a vacuum. 
B)  gases. 
C)  liquids. 
D)  solids. 
A)  a vacuum. 
B)  gases. 
C)  liquids. 
D)  solids.

Question 7

A sound wave whose frequency is 50 Hz

Accepted Answer

A)  has a relatively short wavelength. 
B)  has a relatively long wavelength. 
C)  is very soft. 
D)  is very loud. 
A)  has a relatively short wavelength. 
B)  has a relatively long wavelength. 
C)  is very soft. 
D)  is very loud.

Question 8

Light of which of the following colors has the highest frequency?

Accepted Answer

A)  red 
B)  blue 
C)  yellow 
D)  green 
A)  red 
B)  blue 
C)  yellow 
D)  green

Question 9

The higher the frequency of a wave,

Accepted Answer

A)  the lower its speed. 
B)  the shorter its wavelength. 
C)  the smaller its amplitude. 
D)  the lower its pitch. 
A)  the lower its speed. 
B)  the shorter its wavelength. 
C)  the smaller its amplitude. 
D)  the lower its pitch.

Question 10

When a real object is the distance f from a converging lens,

Accepted Answer

A)  the image is virtual, erect, and larger than the object. 
B)  the image is real, inverted, and larger than the object. 
C)  the image is real, inverted, and the same size as the object. 
D)  no image is formed. 
A)  the image is virtual, erect, and larger than the object. 
B)  the image is real, inverted, and larger than the object. 
C)  the image is real, inverted, and the same size as the object. 
D)  no image is formed.

Question 11

The image the lens of the eye forms on the retina is

Accepted Answer

A)  real and erect. 
B)  real and inverted. 
C)  virtual and erect. 
D)  virtual and inverted. 
A)  real and erect. 
B)  real and inverted. 
C)  virtual and erect. 
D)  virtual and inverted.

Question 12

The wavelength of a sound wave is not related to its

Accepted Answer

A)  pitch. 
B)  frequency. 
C)  amplitude. 
D)  speed. 
A)  pitch. 
B)  frequency. 
C)  amplitude. 
D)  speed.

Question 13

Of the following kinds of waves, those that cannot be polarized are

Accepted Answer

A)  X-rays. 
B)  radio waves. 
C)  light waves. 
D)  sound waves. 
A)  X-rays. 
B)  radio waves. 
C)  light waves. 
D)  sound waves.

Question 14

A boat at anchor is rocked by waves whose crests are 50 m apart and whose speed is 10 m/s. These waves reach the boat once every

Accepted Answer

A)  0.2 s. 
B)  5 s. 
C)  50 s. 
D)  500 s. 
A)  0.2 s. 
B)  5 s. 
C)  50 s. 
D)  500 s.

Question 15

Sound waves of frequency 300 Hz have a wavelength relative to sound waves in the same medium of frequency 600 Hz that is

Accepted Answer

A)  half as great. 
B)  the same. 
C)  twice as great. 
D)  four times as great. 
A)  half as great. 
B)  the same. 
C)  twice as great. 
D)  four times as great.

Question 16

Dispersion is the term used to describe the

Accepted Answer

A)  splitting of white light into its component colors in refraction. 
B)  propagation of light in straight lines. 
C)  bending of a beam of light when it goes from one medium to another. 
D)  bending of a beam of light when it strikes a mirror. 
A)  splitting of white light into its component colors in refraction. 
B)  propagation of light in straight lines. 
C)  bending of a beam of light when it goes from one medium to another. 
D)  bending of a beam of light when it strikes a mirror.

Question 17

Light of which of the following colors has the longest wavelength?

Accepted Answer

A)  red 
B)  blue 
C)  yellow 
D)  green 
A)  red 
B)  blue 
C)  yellow 
D)  green

Question 18

The greater the decibel dB) level of a sound wave, the

Accepted Answer

A)  higher its frequency is. 
B)  longer its wavelength is. 
C)  louder it is. 
D)  farther away its source is. 
A)  higher its frequency is. 
B)  longer its wavelength is. 
C)  louder it is. 
D)  farther away its source is.

Question 19

The wavelength of the wave shown in the figure is

Accepted Answer

A)  A. 
B)  B. 
C)  C. 
D)  D. 
A)  A. 
B)  B. 
C)  C. 
D)  D.

Question 20

The setting sun appears red because its light is

Accepted Answer

A)  refracted. 
B)  reflected. 
C)  diffracted. 
D)  scattered. 
A)  refracted. 
B)  reflected. 
C)  diffracted. 
D)  scattered.

The amplitude of the wave shown in the figure is

To an astronaut in orbit around the earth the sky appears

Polarization is similar to

A medal in a plastic cube whose index of refraction is 1.5 appears to be 20 mm below the upper surface of the cube. The depth of the medal is actually

Relative to the focal length of a wide-angle camera lens, the focal length of a telephoto lens is

Sound waves travel fastest in

A sound wave whose frequency is 50 Hz

Light of which of the following colors has the highest frequency?

The higher the frequency of a wave,

When a real object is the distance f from a converging lens,

The image the lens of the eye forms on the retina is

The wavelength of a sound wave is not related to its

Of the following kinds of waves, those that cannot be polarized are

A boat at anchor is rocked by waves whose crests are 50 m apart and whose speed is 10 m/s. These waves reach the boat once every

Sound waves of frequency 300 Hz have a wavelength relative to sound waves in the same medium of frequency 600 Hz that is

Dispersion is the term used to describe the

Light of which of the following colors has the longest wavelength?

The greater the decibel dB) level of a sound wave, the

The wavelength of the wave shown in the figure is

The setting sun appears red because its light is

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Exam 7: Waves

The amplitude of the wave shown in the figure is

To an astronaut in orbit around the earth the sky appears

Polarization is similar to

A medal in a plastic cube whose index of refraction is 1.5 appears to be 20 mm below the upper surface of the cube. The depth of the medal is actually

Relative to the focal length of a wide-angle camera lens, the focal length of a telephoto lens is

Sound waves travel fastest in

A sound wave whose frequency is 50 Hz

Light of which of the following colors has the highest frequency?

The higher the frequency of a wave,

When a real object is the distance f from a converging lens,

The image the lens of the eye forms on the retina is

The wavelength of a sound wave is not related to its

Of the following kinds of waves, those that cannot be polarized are

A boat at anchor is rocked by waves whose crests are 50 m apart and whose speed is 10 m/s. These waves reach the boat once every

Sound waves of frequency 300 Hz have a wavelength relative to sound waves in the same medium of frequency 600 Hz that is

Dispersion is the term used to describe the

Light of which of the following colors has the longest wavelength?

The greater the decibel dB) level of a sound wave, the

The wavelength of the wave shown in the figure is

The setting sun appears red because its light is

The Scientific Method

Motion

Energy

Energy and the Future

Matter and Heat

Electricity and Magnetism

The Nucleus

The Atom

The Periodic Law

Crystals, Ions, and Solutions

Chemical Reactions

Organic Chemistry

Atmosphere and Hydrosphere

The Rock Cycle

The Evolving Earth

The Solar System

The Stars

The Universe Galaxies

Filters