Exam 7 Target 7 Retake Preap

Reviewed by Editorial Team
The ProProfs editorial team is comprised of experienced subject matter experts. They've collectively created over 10,000 quizzes and lessons, serving over 100 million users. Our team includes in-house content moderators and subject matter experts, as well as a global network of rigorously trained contributors. All adhere to our comprehensive editorial guidelines, ensuring the delivery of high-quality content.
Learn about Our Editorial Process
| By Sfduke
S
Sfduke
Community Contributor
Quizzes Created: 51 | Total Attempts: 7,899
| Attempts: 63
Quiz Flashcard
SettingsSettings
Please wait...
  • 1/5 Questions

    The highness or lowness of a sound is perceived as

    • A. compression.
    • B. ultrasound.
    • C. wavelength.
    • D. pitch.
Please wait...
About This Quiz

Exam 7 Target 7 Retake Preap - Quiz

Quiz Preview

  • 2. 

    Pitch depends on the ______________ of a sound wave.

    • A. Frequency

    • B. Power

    • C. Amplitude

    • D. Speed

    Correct Answer
    A. A. Frequency
    Explanation
    The pitch of a sound wave refers to how high or low the sound is perceived by the human ear. It is determined by the frequency of the sound wave. Frequency is the number of complete vibrations or cycles of a sound wave that occur in one second. Higher frequency waves have a higher pitch, while lower frequency waves have a lower pitch. Therefore, the correct answer is a. Frequency.

    Rate this question:

  • 3. 

    Sound waves

    • A. are a part of the electromagnetic spectrum.

    • B. do not require a medium for transmission.

    • C. are longitudinal waves.

    • D. are transverse waves.

    Correct Answer
    A. C. are longitudinal waves.
    Explanation
    Sound waves are longitudinal waves because they propagate by compressing and rarefying the particles of the medium through which they travel. In other words, the particles of the medium vibrate parallel to the direction of the wave propagation. This is in contrast to transverse waves, where the particles vibrate perpendicular to the direction of the wave propagation. Sound waves require a medium for transmission, so option b is incorrect. Sound waves are not a part of the electromagnetic spectrum, so option a is also incorrect. Therefore, the correct answer is c.

    Rate this question:

  • 4. 

    Suppose you are on a moving bus as it passes a stationary car in which a stereo is playing music. Immediately after the bus goes past the car, you will hear the pitch of the music

    • A. become higher.

    • B. become lower.

    • C. remain constant.

    • D. become lower, then higher.

    Correct Answer
    A. B. become lower.
    Explanation
    When the bus passes the stationary car, the sound waves from the car's stereo will reach your ears at a lower frequency. This is because the bus is moving towards the car, causing a compression of the sound waves. As a result, the pitch of the music will appear lower to you.

    Rate this question:

  • 5. 

    Which of the following is the region of a sound wave in which the density and pressure are greater than normal?

    • A. rarefaction

    • B. amplitude

    • C. compression

    • D. wavelength

    Correct Answer
    A. C. compression
    Explanation
    Compression refers to the region of a sound wave where the density and pressure are greater than normal. In this region, the particles of the medium are pushed closer together, resulting in an increase in density and pressure. This is in contrast to rarefaction, where the particles are spread out and the density and pressure are lower than normal. Amplitude refers to the maximum displacement of particles from their resting position, while wavelength refers to the distance between two consecutive compressions or rarefactions.

    Rate this question:

Quiz Review Timeline (Updated): Jun 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jun 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 24, 2015
    Quiz Created by
    Sfduke
Back to Top Back to top
Advertisement