Question 1

The greater the amplitude of a wave, the greater its

Accepted Answer

A) frequency. 
B) wavelength. 
C) speed. 
D) energy. 
A) frequency. 
B) wavelength. 
C) speed. 
D) energy.

Question 2

When the American flag is viewed with red light it appears

Accepted Answer

A) all red. 
B) red, white, and blue. 
C) red and blue. 
D) red and black. 
A) all red. 
B) red, white, and blue. 
C) red and blue. 
D) red and black.

Question 3

The lower the frequency of a sound wave, the

Accepted Answer

A) higher its speed. 
B) higher its pitch. 
C) louder it is. 
D) longer its wavelength. 
A) higher its speed. 
B) higher its pitch. 
C) louder it is. 
D) longer its wavelength.

Question 4

The Swedish flag is blue and yellow.When viewed with blue light it appears

Accepted Answer

A) all blue. 
B) blue and yellow. 
C) blue and black. 
D) white and yellow. 
A) all blue. 
B) blue and yellow. 
C) blue and black. 
D) white and yellow.

Question 5

The ionosphere

Accepted Answer

A) reflects radio waves. 
B) is responsible for the blue color of the sky. 
C) is responsible for rainbows. 
D) is caused by the exhausts of high-altitude aircraft. 
A) reflects radio waves. 
B) is responsible for the blue color of the sky. 
C) is responsible for rainbows. 
D) is caused by the exhausts of high-altitude aircraft.

Question 6

In a transverse wave, the individual particles of the medium move

Accepted Answer

A) in circles. 
B) in ellipses. 
C) parallel to the direction of travel. 
D) perpendicular to the direction of travel. 
A) in circles. 
B) in ellipses. 
C) parallel to the direction of travel. 
D) perpendicular to the direction of travel.

Question 7

Energy is carried by which one or more of the following ways?

Accepted Answer

A) sound wave 
B) light wave 
C) water wave 
D) wave in a stretched string 
E) All of the above 
A) sound wave 
B) light wave 
C) water wave 
D) wave in a stretched string 
E) All of the above

Question 8

A converging lens of focal length f produces a virtual image of a real object when the object is

Accepted Answer

A) closer than f from the lens. 
B) at the distance f from the lens. 
C) farther than f from the lens. 
D) at any distance from the lens. 
A) closer than f from the lens. 
B) at the distance f from the lens. 
C) farther than f from the lens. 
D) at any distance from the lens.

Question 9

Light of which of the following colors is scattered most in the atmosphere?

Accepted Answer

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

Question 10

Of the following kinds of waves, the ones that cannot travel through a vacuum 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 11

The image a camera lens forms on the film is

Accepted Answer

A) always real. 
B) always virtual. 
C) sometimes real and sometimes virtual. 
D) neither real nor virtual. 
A) always real. 
B) always virtual. 
C) sometimes real and sometimes virtual. 
D) neither real nor virtual.

Question 12

When a sound wave goes from air into water, the quantity that remains unchanged is its

Accepted Answer

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

Question 13

The image formed by a diverging lens of a real object is always which one or more of the following?

Accepted Answer

A) virtual 
B) real 
C) inverted 
D) larger than the object 
A) virtual 
B) real 
C) inverted 
D) larger than the object

Question 14

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 15

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.

Question 16

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 17

A wave of amplitude A interferes with another wave of the same kind with the same frequency whose amplitude is also A. The resulting wave

Accepted Answer

A)  has an amplitude of 2A. 
B)  has an amplitude between 0 and A. 
C)  has an amplitude between A and 2A. 
D)  has an amplitude between 0 and 2A. 
A)  has an amplitude of 2A. 
B)  has an amplitude between 0 and A. 
C)  has an amplitude between A and 2A. 
D)  has an amplitude between 0 and 2A.

Question 18

Radio amateurs are permitted to communicate on the "10-meter band." What frequency of radio waves corresponds to a wavelength of 10 meters? The speed of radio waves is 3 * 108 m/s.

Accepted Answer

A) 3.3 * 10-8 Hz 
B) 3.0 * 107 Hz 
C) 3.3 * 107 Hz 
D) 3.0* 109 Hz 
A) 3.3 * 10-8 Hz 
B) 3.0 * 107 Hz 
C) 3.3 * 107 Hz 
D) 3.0* 109 Hz

Question 19

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 20

The musical note A has a frequency of 440 Hz and its wavelength in seawater is 3.5 m.The speed of sound in seawater is

Accepted Answer

A) 80 m/s. 
B) 126 m/s. 
C) 1540 m/s. 
D) 3 * 108 m/s. 
A) 80 m/s. 
B) 126 m/s. 
C) 1540 m/s. 
D) 3 * 108 m/s.

The greater the amplitude of a wave, the greater its

When the American flag is viewed with red light it appears

The lower the frequency of a sound wave, the

The Swedish flag is blue and yellow.When viewed with blue light it appears

The ionosphere

In a transverse wave, the individual particles of the medium move

Energy is carried by which one or more of the following ways?

A converging lens of focal length f produces a virtual image of a real object when the object is

Light of which of the following colors is scattered most in the atmosphere?

Of the following kinds of waves, the ones that cannot travel through a vacuum are

The image a camera lens forms on the film is

When a sound wave goes from air into water, the quantity that remains unchanged is its

The image formed by a diverging lens of a real object is always which one or more of the following?

A sound wave whose frequency is 50 Hz

To an astronaut in orbit around the earth the sky appears

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

A wave of amplitude A interferes with another wave of the same kind with the same frequency whose amplitude is also A. The resulting wave

Radio amateurs are permitted to communicate on the "10-meter band." What frequency of radio waves corresponds to a wavelength of 10 meters? The speed of radio waves is 3 * 10⁸ m/s.

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

The musical note A has a frequency of 440 Hz and its wavelength in seawater is 3.5 m.The speed of sound in seawater 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

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The Rock Cycle

The Evolving Earth

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Exam 7: Waves

The greater the amplitude of a wave, the greater its

When the American flag is viewed with red light it appears

The lower the frequency of a sound wave, the

The Swedish flag is blue and yellow.When viewed with blue light it appears

The ionosphere

In a transverse wave, the individual particles of the medium move

Energy is carried by which one or more of the following ways?

A converging lens of focal length f produces a virtual image of a real object when the object is

Light of which of the following colors is scattered most in the atmosphere?

Of the following kinds of waves, the ones that cannot travel through a vacuum are

The image a camera lens forms on the film is

When a sound wave goes from air into water, the quantity that remains unchanged is its

The image formed by a diverging lens of a real object is always which one or more of the following?

A sound wave whose frequency is 50 Hz

To an astronaut in orbit around the earth the sky appears

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

A wave of amplitude A interferes with another wave of the same kind with the same frequency whose amplitude is also A. The resulting wave

Radio amateurs are permitted to communicate on the "10-meter band." What frequency of radio waves corresponds to a wavelength of 10 meters? The speed of radio waves is 3 * 108 m/s.

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

The musical note A has a frequency of 440 Hz and its wavelength in seawater is 3.5 m.The speed of sound in seawater 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

Universe

Filters

Radio amateurs are permitted to communicate on the "10-meter band." What frequency of radio waves corresponds to a wavelength of 10 meters? The speed of radio waves is 3 * 10⁸ m/s.