This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 30 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which waves are used by artificial satellites for communication? A) Infrared rays. B) Microwaves. C) Radiowaves. D) X-Rays. Show Answer Correct Answer: B) Microwaves. 2. Microwaves are used in A) Satellite communications. B) The transmission of television signals. C) Electrical heaters. D) Medical Imaging. Show Answer Correct Answer: A) Satellite communications. 3. What happens to the frequency of a wave if the wavelength is doubled, assuming the speed of the wave remains constant? A) It doubles. B) It halves. C) It remains the same. D) It quadruples. Show Answer Correct Answer: B) It halves. 4. What occurs when light passes from water into flint glass? A) Its speed decreases, its wavelength becomes shorter, and its frequency remains the same. B) Its speed decreases, its wavelength becomes shorter, and its frequency increases. C) Its speed increases, its wavelength becomes longer, and its frequency remains the same. D) Its speed increases, its wavelength becomes longer, and its frequency decreases. Show Answer Correct Answer: A) Its speed decreases, its wavelength becomes shorter, and its frequency remains the same. 5. What is the medium for sound waves to travel through? A) Vacuum. B) Air, water, or solids. C) Electrical fields only. D) Magnetic fields only. Show Answer Correct Answer: B) Air, water, or solids. 6. Which statement best defines a wave medium? A) The material through which a wave travels. B) A point halfway between the crest and trough. C) The distance from one wave crest to the next. D) The speed at which waves travel in water. Show Answer Correct Answer: A) The material through which a wave travels. 7. How do noise-canceling headphones use wave properties? A) By increasing wave amplitude. B) By generating destructive interference. C) By reflecting sound waves. D) By amplifying background noise. Show Answer Correct Answer: B) By generating destructive interference. 8. According to Wikipedia (and as of this writing), Tim Ahlstrom of Oconomowoc, WI holds the record for hand clapping. He is reported to have clapped his hands 793 times in 60.0 seconds.What is the frequency of Mr. Ahlstrom's hand clapping during this 60.0-second period? A) 13.2 Hz. B) 25.1 Hz. C) 26.3 Hz. D) 17.2 Hz. Show Answer Correct Answer: A) 13.2 Hz. 9. When two waves collide to make one large amplitude A) Resonance. B) Reflection. C) Destructive interference. D) Constructive interference. Show Answer Correct Answer: D) Constructive interference. 10. Trough A) The highest point of a wave. B) The lowest point of a wave. C) The midpoint of a wave. D) The frequency of a wave. Show Answer Correct Answer: B) The lowest point of a wave. 11. What type of waves seem to be standing still? A) Surface waves. B) Standing waves. C) Reflection waves. D) Tsunami waves. Show Answer Correct Answer: B) Standing waves. 12. What type of event occurs on a transform plate boundary? A) Earthquake. B) Volcano Eruption. C) Mountain Building. D) None of the above. Show Answer Correct Answer: A) Earthquake. 13. Waves that use matter to transfer energy are called A) Electromagnetic. B) Medium. C) Mass. D) Mechanical. Show Answer Correct Answer: D) Mechanical. 14. What type of wave causes the matter in the medium to move perpendicular to the direction that the wave travels? A) All mechanical waves. B) Compression waves. C) Transverse waves. D) Potential waves. Show Answer Correct Answer: C) Transverse waves. 15. A substance that carries sound waves is called A) A fulcrum. B) A medium. C) A spectrum. D) Equilibrium. Show Answer Correct Answer: B) A medium. 16. Radio Waves are an example of ..... waves. A) Mechanical. B) Electromagnetic. C) Light. D) None of the above. Show Answer Correct Answer: B) Electromagnetic. 17. Continuos water waves are diffracted through a gap in a barrier in a ripple tank. Which change will increase the diffraction of the waves? A) Increase the frequency of the waves. B) Increase the width of the gap. C) Reduce the wavelength of the waves. D) Reduce the width of the gap. Show Answer Correct Answer: D) Reduce the width of the gap. 18. A remote control for a television works using what kind of electromagnetic wave? A) Radiowaves. B) Microwaves. C) Infrared Radiation. D) Visible Light. Show Answer Correct Answer: C) Infrared Radiation. 19. What is the relationship between frequency and wavelength (if wave speed remains constant)? A) When frequency increases, wavelength increases. B) When frequency decreases, wavelength decreases. C) When frequency increases, wavelength decreases. D) None of the above. Show Answer Correct Answer: C) When frequency increases, wavelength decreases. 20. What does 1 Sievert equal? A) 10 millisieverts. B) 1000 millisieverts. C) 1 millisieverts. D) 10000 millisierverts. Show Answer Correct Answer: B) 1000 millisieverts. 21. What type of lens is used in a magnifying glass? A) Concave lens. B) Cylindrical lens. C) Convex lens. D) Bifocal lens. Show Answer Correct Answer: C) Convex lens. 22. As a wave's energy increases its amplitude increases A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. What is the term for the lowest point on a wave? A) Crest. B) Trough. C) Medium. D) Frequency. Show Answer Correct Answer: B) Trough. 24. Sound is able to travel faster in solids than in air because the molecules in a solid are A) Closer together than air molecules. B) More easily moved than air molecules. C) Moving faster than air moleculesmoving faster than air molecules. D) Larger than air molecules. Show Answer Correct Answer: A) Closer together than air molecules. 25. EM waves in which our eyes are sensitive to A) Infrared. B) Light. C) Ultraviolet. D) Gamma ray. Show Answer Correct Answer: B) Light. ← 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