This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 44 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How would you describe the movement of matter in a transverse wave? A) Perpendicular to direction of energy. B) Parallel to the direction of energy. C) In zigzags. D) Linear. Show Answer Correct Answer: A) Perpendicular to direction of energy. 2. Which type of wave has particles that vibrate perpendicular to the direction of the wave? A) Longitudinal waves. B) Transverse waves. C) Mechanical waves. D) Electromagnetic waves. Show Answer Correct Answer: B) Transverse waves. 3. Which describes what is transferred by a wave? A) Energy and Matter. B) Just energy. C) Just matter. D) Neither energy nor matter. Show Answer Correct Answer: B) Just energy. 4. How do electromagnetic waves differ from mechanical waves? A) Mechanical waves can travel through solid, liquid, and gas; electromagnetic waves cannot. B) Electromagnetic waves are slower than mechanical waves. C) Mechanical waves can travel through a vacuum; electromagnetic waves require a medium. D) Electromagnetic waves can travel through a vacuum; mechanical waves require a medium. Show Answer Correct Answer: D) Electromagnetic waves can travel through a vacuum; mechanical waves require a medium. 5. Which statement best describes the property of light waves illustrated in the diagram of a pencil in a glass of water? A) Some materials absorb light waves. B) Some materials reflect light waves. C) Light waves are refracted by some materials. D) Light waves are emitted by some materials. Show Answer Correct Answer: C) Light waves are refracted by some materials. 6. The Doppler Effect describes how wave frequency changes when: A) Wave source is stationary. B) Observer is stationary. C) Wave source moves relative to an observer. D) Wave amplitude increases. Show Answer Correct Answer: C) Wave source moves relative to an observer. 7. Sound travels slowest through ..... A) Solids. B) Liquids. C) Gases. D) The speed of sound is the same through all media. Show Answer Correct Answer: C) Gases. 8. Solve this problems using the equation:V = f * $\lambda$If an AM radio station broadcasts at 9.95 x 10$^{5}$ Hz, what is the wavelength of this radiation? A) 6.59 x 10$^{-28}$ m. B) 1.01 x 10$^{-6}$ m. C) 3.32 x 10$^{-3}$ m. D) 302 m. Show Answer Correct Answer: D) 302 m. 9. A wave completes two cycles in 30.0 s. What is the period of the wave? A) 0.033 s. B) 15 Hz. C) 0.033 Hz. D) 15 s. Show Answer Correct Answer: D) 15 s. 10. When a wave moves around a barrier or goes through an opening in a barrier is called ..... A) Refraction. B) Reflection. C) Amplitude. D) Diffraction. Show Answer Correct Answer: D) Diffraction. 11. The third harmonic on a string fixed at both ends shows A) A wavelength and a half. B) Half a wavelength. C) Two wavelengths. D) A wavelength. Show Answer Correct Answer: A) A wavelength and a half. 12. The interference pattern created by monochromatic light in an air wedge is used to measure the thickness of an object. Which of the following changes would cause the spacing between adjacent fringes to increase? A) Use a light source with a higher frequency. B) Increase the thickness of the object being measured. C) Use a light source with a longer wavelength. D) Use a shorter air wedge. Show Answer Correct Answer: C) Use a light source with a longer wavelength. 13. ..... is a form of energy that travels through the air. A) Sound. B) Volume. C) Energy. D) Wave. Show Answer Correct Answer: A) Sound. 14. When a part of the energy in the incident pulse is reflected and part passes, the phenomena is called ..... A) Reflection. B) Refraction. C) Transmission. D) Doppler Effect. Show Answer Correct Answer: C) Transmission. 15. The angle between the string of a pendulum at its equilibrium position and at its maximum displacement is the pendulum's A) Period. B) Frequency. C) Vibration. D) Amplitude. Show Answer Correct Answer: D) Amplitude. 16. CHECK YOUR UNDERSTANDINGVelocity = ..... Wavelength = 0.5mFrequency = 150 hertz A) 0.75 m/s. B) 75 m/s. C) 300 m/s. D) 0.300 m/s. Show Answer Correct Answer: B) 75 m/s. 17. Electromagnetic energy travels in waves. These waves can vary in their frequencies and wavelengths. Electromagnetic energy is classified by the length and frequency of its wave. Of the four waves types below, which has the lowest frequency? A) Radio Wave. B) Microwave. C) Infra Red rays. D) Visible Light. Show Answer Correct Answer: A) Radio Wave. 18. Momentum before a collision is equal to momentum after a collision. This is an example of ..... A) Conservation of energy. B) Conservation of momentum. C) Newton's 4th Law. D) Wave properties. Show Answer Correct Answer: B) Conservation of momentum. 19. What is the amplitude? A) Length. B) Height. C) # of waves. D) None of the above. Show Answer Correct Answer: B) Height. 20. Loudness is measured in A) Hertz (Hz). B) Meters (m). C) Decibels (dB). D) Watts (W). Show Answer Correct Answer: C) Decibels (dB). 21. The toughest a medium is, the slower will sound travel through it. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 22. Upon passing to a more optically dense medium the speed of the wave decreases along with ..... A) The frequency. B) The wavelength. C) All the above. D) None of the above. Show Answer Correct Answer: B) The wavelength. 23. A reflected sound wave is an ..... A) Speed of sound. B) Resonance. C) Loudness. D) Echo. Show Answer Correct Answer: D) Echo. 24. As the frequency of a wave increases, the period of the wave: A) Decreases. B) Increases. C) Remains the same. D) None of the above. Show Answer Correct Answer: A) Decreases. 25. Monochromatic coherent light shines through apair of slits. If the distance between these slits isdecreased, which of the following statements is/aretrue of the resulting interference pattern?I. The distance between the maxima stays thesameII. The distance between the maxima decreasesIII. The distance between the minima increasesIV. The distance between the maxima increases A) I only. B) I and III only. C) II and III only. D) III and IV only. Show Answer Correct Answer: D) III and IV only. ← 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