Question 1

What is wave interference, and what two types are there?

Accepted Answer

Wave interference is the result of two o...

Question 2

Is light a wave or particle?

Accepted Answer

A)  wave
B)  particle
C)  both
D)  neitherE) A) and B)
F) A) and C)

Question 3

The source of all sounds is something that is

Accepted Answer

A)  vibrating.
B)  moving.
C)  accelerating.
D)  undergoing simple harmonic motion.
E)  a net emitter of energy.F) A) and C)
G) C) and D)

Question 4

A diver shines light up to the surface of a smooth pond at a 10° angle to the normal. Some light passes into the air above, and the part that reflects back into the water makes an angle to the normal of

Accepted Answer

A)  less than 10°.
B)  10°.
C)  more than 10°.D) A) and B)
E) A) and C)

Question 5

The source of all electromagnetic waves is

Accepted Answer

A)  heat.
B)  magnetic fields.
C)  electric fields.
D)  vibrating charges.
E)  none of the aboveF) All of the above
G) A) and E)

Question 6

What is the approximate range for human hearing?

Accepted Answer

A)  ten to one-hundred Hertz
B)  twenty to twenty-thousand Hertz
C)  ninety to ninety-thousand Hertz
D)  one-hundred to one million HertzE) A) and D)
F) A) and C)

Question 7

When ultraviolet light is incident upon glass, atoms in the glass

Accepted Answer

A)  are forced into vibration.
B)  resonate.
C)  pass the light energy along practically undiminished.
D)  freely absorb and reemit most of the ultraviolet light.E) A) and B)
F) A) and C)

Question 8

A red crab very deep in water, where sunlight is dim, appears

Accepted Answer

A)  red.
B)  orange.
C)  cyan.
D)  brown.
E)  no color-black.F) All of the above
G) A) and B)

Question 9

Relative to radio waves, the velocity of visible light waves in a vacuum is

Accepted Answer

A)  less.
B)  more.
C)  the same.D) A) and C)
E) A) and B)

Question 10

A mass on the end of a spring bobs up and down 1 complete cycle every 2 s. Its frequency is

Accepted Answer

A)  0) 5 Hz.
B)  2 Hz.
C)  neither A nor BD) A) and C)
E) A) and B)

Question 11

Which doesn't belong to the same family?

Accepted Answer

A)  infrasonic waves
B)  ultrasonic waves
C)  radio waves
D)  shock waves
E)  longitudinal wavesF) B) and D)
G) C) and D)

Question 12

The explanation for refraction must involve a change in

Accepted Answer

A)  frequency.
B)  wavelength.
C)  speed.
D)  all of the above
E)  none of the aboveF) A) and E)
G) All of the above

Question 13

What is the wavelength of an electromagnetic wave that has a frequency of 1 Hz?

Accepted Answer

A)  less than 1 m
B)  1 m
C)  more than 1 mD) A) and B)
E) None of the above

Question 14

A weight on the end of a spring bobs up and down one complete cycle every 2 s. Its period is

Accepted Answer

A)  0) 5 s.
B)  1 s.
C)  2 s.
D)  none of the aboveE) All of the above
F) B) and C)

Question 15

Compressions and rarefactions normally travel in

Accepted Answer

A)  the same direction in a wave.
B)  opposite directions in a wave.C) A) and B)
D) undefined

Question 16

The color of an opaque object is the same as the light that is

Accepted Answer

A)  transmitted.
B)  absorbed.
C)  reflected.
D)  all of the above
E)  none of the aboveF) B) and D)
G) A) and B)

Question 17

What is the frequency of an electromagnetic wave that has a wavelength of 300,000 km?

Accepted Answer

A)  less than 1 Hz
B)  1 Hz
C)  more than 1 HzD) All of the above
E) A) and B)

Question 18

The speed of a sound wave in air depends on

Accepted Answer

A)  its frequency.
B)  its wavelength.
C)  the air temperature.
D)  all of the above
E)  none of the aboveF) B) and D)
G) D) and E)

Question 19

If the frequency of a certain wave is 10 Hz, its period is

Accepted Answer

A)  0) 1 s.
B)  10 s.
C)  100 s.
D)  none of the aboveE) A) and D)
F) A) and B)

Question 20

For radio reception, diffraction is

Accepted Answer

A)  helpful.
B)  a hindrance.
C)  not a factor.D) A) and C)
E) All of the above

Exam 8: Waves-Sound and Light

What is wave interference, and what two types are there?

Correct AnswerverifiedWave interference is the result of two o...View AnswerShow Answer

For radio reception, diffraction is

Correct AnswerverifiedShow Answer

What is the wavelength of an electromagnetic wave that has a frequency of 1 Hz?

Correct AnswerverifiedShow Answer

The speed of a sound wave in air depends on

Correct AnswerverifiedShow Answer

The explanation for refraction must involve a change in

Correct AnswerverifiedShow Answer

Is light a wave or particle?

Correct AnswerverifiedShow Answer

The source of all electromagnetic waves is

Correct AnswerverifiedShow Answer

What is the approximate range for human hearing?

Correct AnswerverifiedShow Answer

Compressions and rarefactions normally travel in

Correct AnswerverifiedShow Answer

A mass on the end of a spring bobs up and down 1 complete cycle every 2 s. Its frequency is

Correct AnswerverifiedShow Answer

A diver shines light up to the surface of a smooth pond at a 10° angle to the normal. Some light passes into the air above, and the part that reflects back into the water makes an angle to the normal of

Correct AnswerverifiedShow Answer

If the frequency of a certain wave is 10 Hz, its period is

Correct AnswerverifiedShow Answer

A weight on the end of a spring bobs up and down one complete cycle every 2 s. Its period is

Correct AnswerverifiedShow Answer

What is the frequency of an electromagnetic wave that has a wavelength of 300,000 km?

Correct AnswerverifiedShow Answer

The source of all sounds is something that is

Correct AnswerverifiedShow Answer

Relative to radio waves, the velocity of visible light waves in a vacuum is

Correct AnswerverifiedShow Answer

When ultraviolet light is incident upon glass, atoms in the glass

Correct AnswerverifiedShow Answer

Which doesn't belong to the same family?

Correct AnswerverifiedShow Answer

The color of an opaque object is the same as the light that is

Correct AnswerverifiedShow Answer

A red crab very deep in water, where sunlight is dim, appears

Correct AnswerverifiedShow Answer

Correct Answer
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Wave interference is the result of two o...
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