Question 1

A wave travels an average distance of 6 m in 1 s. What is the wave's velocity?

Accepted Answer

A) less than 0.2 m/s 
B) 1 m/s 
C) 3 m/s 
D) 6 m/s 
E) more than 6 m/s 
A) less than 0.2 m/s 
B) 1 m/s 
C) 3 m/s 
D) 6 m/s 
E) more than 6 m/s

Question 2

During a single period, the distance traveled by a wave is

Accepted Answer

A) one-half wavelength. 
B) one wavelength. 
C) two wavelengths. 
A) one-half wavelength. 
B) one wavelength. 
C) two wavelengths.

Question 3

Most of the electromagnetic spectrum consists of visible light.

Accepted Answer

A) True 
B) False 
A) True 
B) False

Question 4

When light reflects from a surface, there is a change in its

Accepted Answer

A) frequency. 
B) wavelength. 
C) speed. 
D) all of the above 
E) none of the above 
A) frequency. 
B) wavelength. 
C) speed. 
D) all of the above 
E) none of the above

Question 5

The frequency of the second hand on a clock is

Accepted Answer

A) 1 Hz. 
B) 1/60 Hz. 
C) 60 Hz. 
A) 1 Hz. 
B) 1/60 Hz. 
C) 60 Hz.

Question 6

The part of the electromagnetic spectrum most absorbed by water is

Accepted Answer

A) infrared. 
B) lower frequencies in the visible. 
C) middle frequencies in the visible. 
D) higher frequencies in the visible. 
E) ultraviolet. 
A) infrared. 
B) lower frequencies in the visible. 
C) middle frequencies in the visible. 
D) higher frequencies in the visible. 
E) ultraviolet.

Question 7

The source of all wave motion is a

Accepted Answer

A) wave pattern. 
B) harmonic object. 
C) vibrating object. 
D) region of variable high and low pressure. 
E) none of the above 
A) wave pattern. 
B) harmonic object. 
C) vibrating object. 
D) region of variable high and low pressure. 
E) none of the above

Question 8

Radio waves travel at the speed of light, 300,000 km/s. The wavelength of a radio wave received at 100 MHz is

Accepted Answer

A) 0)3 m. 
B) 3)0 m. 
C) 30 m. 
D) 300 m. 
E) none of the above 
A) 0)3 m. 
B) 3)0 m. 
C) 30 m. 
D) 300 m. 
E) none of the above

Question 9

A weight suspended from a spring bobs up and down over a distance of 1 m in 2 s. Its frequency is

Accepted Answer

A) 0)5 Hz. 
B) 1 Hz. 
C) 2 Hz. 
D) none of the above 
A) 0)5 Hz. 
B) 1 Hz. 
C) 2 Hz. 
D) none of the above

Question 10

In a longitudinal wave, the compressions and rarefactions travel in

Accepted Answer

A) the same direction. 
B) opposite directions. 
C) neither A nor B 
A) the same direction. 
B) opposite directions. 
C) neither A nor B

Question 11

The complementary color of blue is

Accepted Answer

A) red. 
B) green. 
C) yellow. 
D) cyan. 
E) magenta. 
A) red. 
B) green. 
C) yellow. 
D) cyan. 
E) magenta.

Question 12

A sound source of high frequency emits a high

Accepted Answer

A) speed. 
B) amplitude. 
C) pitch. 
D) all of the above 
E) none of the above 
A) speed. 
B) amplitude. 
C) pitch. 
D) all of the above 
E) none of the above

Question 13

What is the relationship between wave frequency and period? What is the period, in seconds, that corresponds to each of the following frequencies: (a)10 Hz, (b)0.2 Hz, (c)60 Hz?

Accepted Answer

Wave frequency and period are

Question 14

A 60 vibration per second wave travels 30 m in 1 s. Its frequency is

Accepted Answer

A) 30 Hz and it travels at 60 m/s. 
B) 60 Hz and it travels at 30 m/s. 
C) neither A nor B 
A) 30 Hz and it travels at 60 m/s. 
B) 60 Hz and it travels at 30 m/s. 
C) neither A nor B

Question 15

Enrico Caruso, a famous opera singer, is said to have made a crystal chandelier shatter with his voice. This is a demonstration of

Accepted Answer

A) an echo. 
B) sound refraction. 
C) beats. 
D) resonance. 
E) interference. 
A) an echo. 
B) sound refraction. 
C) beats. 
D) resonance. 
E) interference.

Question 16

As a train of water waves goes by, a piece of cork floating on the water bobs up and down one complete cycle each second. The waves are 2 m long. What is the speed of the wave?

Accepted Answer

A) 0)25 m/s 
B) 0)50 m/s 
C) 1)0 m/s 
D) 2 m/s 
E) 4 m/s 
A) 0)25 m/s 
B) 0)50 m/s 
C) 1)0 m/s 
D) 2 m/s 
E) 4 m/s

Question 17

The law of reflection holds for

Accepted Answer

A) plane mirrors. 
B) curved mirrors. 
C) both A and B 
D) neither A nor B 
A) plane mirrors. 
B) curved mirrors. 
C) both A and B 
D) neither A nor B

Question 18

At a concert, a wind blows directly from the orchestra toward you. Consequently, the wavelength of the sound you hear will be

Accepted Answer

A) decreased. 
B) increased. 
C) neither decreased nor increased. 
A) decreased. 
B) increased. 
C) neither decreased nor increased.

Question 19

How is light transmitted through glass?

Accepted Answer

According to the model of light presente

Question 20

How does wave speed relate to wave frequency? If the speed of a longitudinal wave is 340 m/s and the frequency is 1000 Hz, what is the wavelength of the wave?

Accepted Answer

Speed = wave frequen

Exam 8: Waves-Sound and Light

A wave travels an average distance of 6 m in 1 s. What is the wave's velocity?

During a single period, the distance traveled by a wave is

Most of the electromagnetic spectrum consists of visible light.

When light reflects from a surface, there is a change in its

The frequency of the second hand on a clock is

The part of the electromagnetic spectrum most absorbed by water is

The source of all wave motion is a

Radio waves travel at the speed of light, 300,000 km/s. The wavelength of a radio wave received at 100 MHz is

A weight suspended from a spring bobs up and down over a distance of 1 m in 2 s. Its frequency is

In a longitudinal wave, the compressions and rarefactions travel in

The complementary color of blue is

A sound source of high frequency emits a high

What is the relationship between wave frequency and period? What is the period, in seconds, that corresponds to each of the following frequencies: (a)10 Hz, (b)0.2 Hz, (c)60 Hz?

A 60 vibration per second wave travels 30 m in 1 s. Its frequency is

Enrico Caruso, a famous opera singer, is said to have made a crystal chandelier shatter with his voice. This is a demonstration of

As a train of water waves goes by, a piece of cork floating on the water bobs up and down one complete cycle each second. The waves are 2 m long. What is the speed of the wave?

The law of reflection holds for

At a concert, a wind blows directly from the orchestra toward you. Consequently, the wavelength of the sound you hear will be

How is light transmitted through glass?

How does wave speed relate to wave frequency? If the speed of a longitudinal wave is 340 m/s and the frequency is 1000 Hz, what is the wavelength of the wave?

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