This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 40 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 40 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. As the frequency of a sound wave increases, the pitch ..... A) Tightens. B) Dies. C) Randomizes. D) Increases. Show Answer Correct Answer: D) Increases. 2. A ray of light hits water at an angle of incidence of 34.1$^\circ$. What is the angle of refraction in the water? A) 24.9$^\circ$. B) 0.339$^\circ$. C) 34.1$^\circ$. D) None of the above. Show Answer Correct Answer: A) 24.9$^\circ$. 3. A moving bicycle is an example of harmonic motion. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 4. A part in a longitudinal wave where the particles are spread apart A) Compression. B) Rarefaction. C) Crest. D) Trough. Show Answer Correct Answer: B) Rarefaction. 5. What EM waves causes sunburn? A) Visible light. B) Ultraviolet. C) Infrared. D) Microwaves. Show Answer Correct Answer: B) Ultraviolet. 6. The period of a pendulum depends on the amplitude of its swing. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. Ultrasonic waves are waves that have ..... above 20, 000 Hz. (Think what is measured in Hertz) A) Wavelentgh. B) Amplitude. C) Frequency. D) Compression. Show Answer Correct Answer: C) Frequency. 8. Sound waves have the fastest speed when traveling through a ..... A) Solid. B) Liquid. C) Gas. D) Tornado. Show Answer Correct Answer: A) Solid. 9. What is the phenomenon of splitting white light into its component colors called? A) Reflection. B) Refraction. C) Diffraction. D) Dispersion. Show Answer Correct Answer: D) Dispersion. 10. Picture a bird landing at a bird feeder outside a window. The image of this bird in the window is the result of light being A) Absorbed. B) Transmitted. C) Reflected. D) Refracted. Show Answer Correct Answer: C) Reflected. 11. Which wave can travel in both a medium and a vacuum? A) Transverse. B) Longitudinal. C) Both. D) Neither. Show Answer Correct Answer: A) Transverse. 12. Through which material does sound travel slowest? A) Water. B) Paper. C) Aluminum. D) Air. E) None of the above. Show Answer Correct Answer: D) Air. 13. How is wavelength defined in the study of waves? A) The height of a wave. B) The speed of a wave. C) The distance from one crest to the next. D) The number of waves per second. Show Answer Correct Answer: C) The distance from one crest to the next. 14. Why can you not hear sound in space? A) Distance is to great. B) It has no medium. C) The medium is too thin. D) None of the above. Show Answer Correct Answer: B) It has no medium. 15. The number of waves per second is called the (a) A) A. Frequency. B) Crest. C) Trough. D) Wavelength. E) Amplitude. Show Answer Correct Answer: A) A. Frequency. 16. Waves made with a rope are ..... waves. A) Longitudinal. B) Transverse. C) Periodic. D) Rotational. Show Answer Correct Answer: B) Transverse. 17. The speed of a sound wave depends on the temperature and medium it travels through. In which medium will sound travel with the greatest amount of energy? A) Solid. B) Gas. C) Plasma. D) Liquid. Show Answer Correct Answer: A) Solid. 18. What is a "medium" in terms of waves?? A) A size between small and large. B) The material or object a wave travels through. C) How tall the wave is. D) How fast the wave is. Show Answer Correct Answer: B) The material or object a wave travels through. 19. What direction does heat move? A) From hot objects to cold objects. B) From cold objects to hot objects. C) Up. D) Left. Show Answer Correct Answer: A) From hot objects to cold objects. 20. According to your insect article, which insect is the noisiest and only males make sound? A) Grasshoppers. B) Bees. C) Crickets. D) Cicadas. Show Answer Correct Answer: C) Crickets. 21. What is the unit of frequency in the International System of Units (SI)? A) Hertz. B) Metre. C) Newton. D) Joule. Show Answer Correct Answer: A) Hertz. 22. Which wave type vibrates the particles parallel (side to side)? A) Transverse. B) Longitudinal. C) Mechanical. D) Electromagnetic. Show Answer Correct Answer: B) Longitudinal. 23. Longitudinal waves have: A) Crests and troughs. B) Crests and compressions. C) Compressions and rarefactions. D) Troughs and rarefactions. Show Answer Correct Answer: C) Compressions and rarefactions. 24. A person running is an example of harmonic motion. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 25. Which property of light causes a rainbow to form? A) Reflection. B) Absorption. C) Refraction. D) Diffraction. Show Answer Correct Answer: C) Refraction. ← PreviousNext →Related QuizzesClass 11 Physics (Part Ii) Chapter 17 Waves Quiz 1Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 2Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 3Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 4Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 5Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 6Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 7Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 8Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 9Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books