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Sound And Waves - SS1 Physics Past Questions and Answers - page 4

31

Describe the process of refraction of sound waves. Provide an example and discuss the factors that influence the extent of sound wave bending during refraction.

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32

Which of the following musical instruments primarily produces sound through the vibration of a stretched string?

A

Drum

 

 

B

Flute

 

C

Piano

 

D

Trumpet

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33

Which of the following devices converts sound waves into electrical signals for communication purposes?

A

Microphone

 

B

Speaker

 

C

Headphones

 

D

Amplifier

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34

Which of the following communication methods primarily relies on the transmission of sound waves through the air?

A

Email

 

B

Text messaging

 

C

Telephone

 

D

Video conferencing

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35

Which of the following techniques uses sound waves to visualize internal body structures for medical diagnosis?

A

Magnetic Resonance Imaging (MRI)

 

B

X-ray

 

 

C

Ultrasound

 

D

Computed Tomography (CT) scan

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36

Which of the following applications uses sound waves to measure the depth of water or locate underwater objects?

A

Sonar

 

 

B

Radar

 

C

Infrared imaging

 

D

Geiger counter

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37

Explain how sound waves are produced and perceived in musical instruments. Provide examples of different types of musical instruments and discuss the specific mechanisms through which they generate sound.

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38

Discuss the importance of sound waves in communication and provide examples of communication devices that rely on the transmission and reception of sound waves.

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