This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 13 Sound – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 13 Sound Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A disturbance that travels through a medium as a longitudinal wave A) Sound. B) Wavelength. C) Pitch. D) Frequency. Show Answer Correct Answer: A) Sound. 2. Services A) /s/. B) /z/. C) /IZ/. D) None of the above. Show Answer Correct Answer: C) /IZ/. 3. The maximum displacement of the pendulum bob A) Frequency. B) Amplitude. C) Time period. D) None of the above. Show Answer Correct Answer: B) Amplitude. 4. During a science class, Autumn, Mason, and Aubree are discussing the main colors in the visible light spectrum for their project. What are these colors? A) Red, green, and blue. B) Red, orange, yellow, green, blue, indigo, and violet. C) Black and white. D) None of the above. Show Answer Correct Answer: B) Red, orange, yellow, green, blue, indigo, and violet. 5. Cowboy's A) /iz/. B) /s/. C) /z/. D) None of the above. Show Answer Correct Answer: C) /z/. 6. Loudness of sound is measured in units of A) Hertz (Hz). B) Decibel (dB). C) Metre (m). D) Metre/second (m/s). Show Answer Correct Answer: B) Decibel (dB). 7. What was life for Evelyn? A) Dance. B) Nature. C) Music. D) All. Show Answer Correct Answer: C) Music. 8. Which of the following is NOT an example of a mechanical wave A) Echo. B) UV Light. C) Seismic waves. D) Ocean waves. Show Answer Correct Answer: B) UV Light. 9. Find the word that has the same beginning sound as slip. A) Seal. B) Nap. C) Trip. D) Sleep. Show Answer Correct Answer: D) Sleep. 10. The ear changes sound waves into: A) Light. B) Nerves. C) Nerve impulses. D) Heat. Show Answer Correct Answer: C) Nerve impulses. 11. Where did Bismillah give his first break through his performance? A) At the Red Fort. B) At Varanasi. C) At All India Radio. D) U.S.A. Show Answer Correct Answer: C) At All India Radio. 12. 1) ..... bag is that? ..... on the bench. A) Who's/ It's. B) Whose / It's. C) Who's / Its. D) None of the above. Show Answer Correct Answer: B) Whose / It's. 13. Sound is a kind of A) Work. B) Energy. C) Force. D) Pressure. Show Answer Correct Answer: B) Energy. 14. What is the range of frequencies audible to the human ear A) Lower than 20 Hz. B) 20 Hz-20.000 Hz. C) Higher than 20.000 Hz. D) 0 Hz-infinite Hz. Show Answer Correct Answer: B) 20 Hz-20.000 Hz. 15. Dream. A) Sibilant. B) Voiced. C) Voiceless. D) None of the above. Show Answer Correct Answer: B) Voiced. 16. What are transverse waves? A) In these waves the individual particles of the medium move in a direction parallel to the direction of propagation of the disturbance. B) In these waves the individual particles of the medium move in a direction perpendicular to the direction of propagation of the disturbance. C) Both 1st and 2nd options. D) None of above. Show Answer Correct Answer: B) In these waves the individual particles of the medium move in a direction perpendicular to the direction of propagation of the disturbance. 17. What sound do the blue letters make in the word quart? A) /kw/. B) /k/. C) /j/. D) None of the above. Show Answer Correct Answer: A) /kw/. 18. Healthy A) Voiced. B) Voiceless. C) All the above. D) None of the above. Show Answer Correct Answer: B) Voiceless. 19. What is the middle sound in the word 'frog'? A) R. B) G. C) O. D) F. Show Answer Correct Answer: C) O. 20. What sound do the blue letters make in the word stage? A) /kw/. B) /k/. C) /j/. D) None of the above. Show Answer Correct Answer: C) /j/. 21. High pitch sounds are caused by a ..... vibration A) Fast. B) Slow. C) Hard. D) Soft. Show Answer Correct Answer: A) Fast. 22. The lowest point on a wave is the: A) Amplitude. B) Crest. C) Trough. D) Wavelength. Show Answer Correct Answer: C) Trough. 23. Sound requires a to travel in. A) Road. B) Wave. C) Medium. D) None of these. Show Answer Correct Answer: C) Medium. 24. What will be the frequency, if the string of a guitar is tight? A) Low. B) High. C) No change. D) None of these. Show Answer Correct Answer: B) High. 25. What sound do you hear at the end of:Shouted? A) -ed. B) -d. C) -t. D) None of the above. Show Answer Correct Answer: A) -ed. ← PreviousNext →Related QuizzesClass 8 Science Chapter 13 Sound Quiz 1Class 8 Science Chapter 13 Sound Quiz 2Class 8 Science Chapter 13 Sound Quiz 3Class 8 Science Chapter 13 Sound Quiz 4Class 8 Science Chapter 13 Sound Quiz 5Class 8 Science Chapter 13 Sound Quiz 6Class 8 Science Chapter 13 Sound Quiz 7Class 8 Science Chapter 13 Sound Quiz 8Class 8 Science Chapter 13 Sound Quiz 9Class 8 Science Chapter 13 Sound Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books