This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Physics Part Ii > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is the speed of a wave traveling with a wavelength $\lambda$, frequency f, and period T? A) $v=f\cdot T$. B) $v=\frac{\lambda}{f}$. C) $v=\frac{f}{\lambda}$. D) $v=\lambda\cdot f$. E) $v=\frac{f}{T}$. Show Answer Correct Answer: D) $v=\lambda\cdot f$. 2. Which of the following increases as the frequency of the sound increases? A) Loudness. B) Intensity. C) Amplitude. D) Pitch. Show Answer Correct Answer: D) Pitch. 3. Whenever a wave changes materials, the wave's ..... changes. A) FAVORITE SONG. B) TYPE. C) SPEED. D) FREQUENCY. Show Answer Correct Answer: C) SPEED. 4. In what type of wave do the oscillations move up and down A) Transverse. B) Longitudinal. C) All the above. D) None of the above. Show Answer Correct Answer: A) Transverse. 5. As water waves pass by a boat, it takes the boat 3.5 seconds to complete one full up-and-down motion. What is the frequency of its oscillation? A) 3.5 Hz. B) 343 Hz. C) 97 Hz. D) 0.29 Hz. Show Answer Correct Answer: D) 0.29 Hz. 6. Which electromagnetic wave has the shortest wavelength? A) Visible light. B) Gamma rays. C) X-rays. D) Radio waves. Show Answer Correct Answer: B) Gamma rays. 7. The part of a longitudinal wave where the particles of the medium are close together. A) Crest. B) Rarefaction. C) Trough. D) Compression. Show Answer Correct Answer: D) Compression. 8. In a standing wave, what is the point called where there is no movement? A) Trough. B) Node. C) Antinode. D) Crest. Show Answer Correct Answer: B) Node. 9. The wavelength can be correctly measured as ..... A) The distance between two consecutive points of equilibrium. B) The horizontal distance from crest to trough. C) The distance from crest to consecutive crest. D) The vertical distance from crest to trough. Show Answer Correct Answer: C) The distance from crest to consecutive crest. 10. The number of waves produced in a given amount of time A) Amplitude. B) Wavelength. C) Wave speed. D) Meters. Show Answer Correct Answer: C) Wave speed. 11. Transverse waves have: A) Crests and troughs. B) Troughs and rarefactions. C) Compressions and contractions. D) Rarefactions and crests. Show Answer Correct Answer: A) Crests and troughs. 12. Why do you see lightning from a distant storm before you hear thunder? A) Light travels faster than sound. B) Sound travels faster than light. C) The thunder is produced after the lightning. D) Your eyes react faster than your ears. Show Answer Correct Answer: A) Light travels faster than sound. 13. The blue-throated hummingbird flaps its wings 300 times a minute. What is its frequency? A) A lot?. B) 300 hz. C) 300/60. D) 5 hz. Show Answer Correct Answer: D) 5 hz. 14. Which type of wave has a disturbance perpendicular to its direction of propagation? A) Longitudinal wave. B) Pulse wave. C) Transverse wave. D) Periodic wave. Show Answer Correct Answer: C) Transverse wave. 15. Which direction does a Transverse wave travel A) Parallel. B) Perpendicular. C) All the above. D) None of the above. Show Answer Correct Answer: B) Perpendicular. 16. Emma measured the maximum height of a wave that she made by vibrating a string up and down. What property of a wave was she measuring? A) Frequency. B) Wavelength. C) Period. D) Amplitude. Show Answer Correct Answer: D) Amplitude. 17. True or False:Sound waves are faster than light. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 18. What property of a wave indicates its energy level? A) Amplitude. B) Time period. C) Frequency. D) Wavelength. Show Answer Correct Answer: A) Amplitude. 19. Which of the following is NOT an example of an electromagnetic wave? A) Radio Waves. B) Infrasonic Waves. C) Visible Light. D) Ultraviolet Waves. Show Answer Correct Answer: B) Infrasonic Waves. 20. Electromagnetic waves include the following except A) Radio waves. B) X-rays. C) Doing the wave at a football game. D) Microwaves. Show Answer Correct Answer: C) Doing the wave at a football game. 21. The measurement of the length of a wave from one point of the wave to the next identical part of the wave (for example, top to top or bottom to bottom) A) Amplitude. B) Crest. C) Frequency. D) Wavelength. Show Answer Correct Answer: D) Wavelength. 22. Echoes of sound and mirror images are examples of refracted waves. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 23. Periodic motion can also be called damping motion. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. What types of waves carry energy at a right angle or perpendicular to the direction of the energy flow? A) Transverse waves. B) P-waves. C) Sound waves. D) Longitudinal waves. Show Answer Correct Answer: A) Transverse waves. 25. A transmitting aerial emits radio waves of frequency 1.0 GHz. What is the wavelength? A) 0.3m. B) 0.3cm. C) 0.3 mm. D) 0.3km. Show Answer Correct Answer: A) 0.3m. 26. A green book looks green in white light because ..... A) It is absorbing all the green light. B) It is absorbing all the wavelengths of light except green which it is reflecting. C) It is absorbing the green wavelength of light and reflecting the other wavelengths. D) It is green. Show Answer Correct Answer: B) It is absorbing all the wavelengths of light except green which it is reflecting. 27. Electron has energy of 100 eV what will be itswavelength A) 100 A. B) 1.2 A. C) 10 A. D) 1 A. Show Answer Correct Answer: B) 1.2 A. 28. Through which of these mediums do sound waves travel most slowly? A) Cold Air. B) Iron. C) Water. D) Wood. Show Answer Correct Answer: A) Cold Air. 29. Which of the following radiations are used to treat muscle ache? A) Microwaves. B) Infrared Rays. C) X-Rays. D) Ultraviolet Rays. Show Answer Correct Answer: B) Infrared Rays. 30. In the wave equation ($\lambda$) represents what? A) Frequency. B) Wave speed. C) Wavelength. D) Amplitude. Show Answer Correct Answer: C) Wavelength. 31. An electromagnetic wave can be produced when the charge is A) Moving in a circular orbit. B) Moving with a constant velocity. C) Falling in an electric field. D) Both (a) and (c). Show Answer Correct Answer: D) Both (a) and (c). 32. What is wavelength a measure of? A) Distance between two points on a wave. B) Height of a wave. C) Speed of a wave. D) Temperature of a wave. Show Answer Correct Answer: A) Distance between two points on a wave. 33. ..... waves have vibrations that run parallel to the direction the wave travels, and ..... waves have vibrations that run perpendicular to the direction the wave travels. A) Transverse, longitudinal. B) Longitudinal, transverse. C) All the above. D) None of the above. Show Answer Correct Answer: B) Longitudinal, transverse. 34. Which property of electromagnetic waves allows them to be polarised? A) Their frequency is very high. B) They are longitudinal. C) Their electric field oscillates perpendicular to the direction of travel. D) They travel at constant speed. Show Answer Correct Answer: C) Their electric field oscillates perpendicular to the direction of travel. 35. You can hear ultrasound A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 36. What does "hertz" measure in terms of wave properties? A) The size of a wave. B) The frequency of a wave. C) The energy of a wave. D) The speed of a wave. Show Answer Correct Answer: B) The frequency of a wave. 37. Which type of waves require a medium to travel through? A) Transverse waves. B) Electromagnetic waves. C) Mechanical waves. D) Longitudinal waves. Show Answer Correct Answer: C) Mechanical waves. 38. Which of the these waves is an electromagnetic wave? A) Ocean Wave. B) Seismic Wave. C) Sound wave. D) Radio Wave. Show Answer Correct Answer: D) Radio Wave. 39. The higher the amplitudue the (a) energy it has. A) Less. B) A. more. C) All the above. D) None of the above. Show Answer Correct Answer: B) A. more. 40. Transverse waves move mediums A) At a right angle. B) In a circle. C) And matter too. D) At an acute angle. Show Answer Correct Answer: A) At a right angle. 41. Waves combine to produce a smaller or zero-amplitude wave in a process called A) Refraction. B) Reflection. C) Destructive interference. D) Constructive interference. Show Answer Correct Answer: C) Destructive interference. 42. The wave machine at a swimming pool oscillates at a frequency of 0.25 Hz. What is the time period of the wave? A) 4 seconds. B) 25 seconds. C) 40 seconds. D) 0.25 seconds. Show Answer Correct Answer: A) 4 seconds. 43. What is the term for the distance between two consecutive crests of a wave? A) Period. B) Frequency. C) Wavelength. D) Amplitude. Show Answer Correct Answer: C) Wavelength. 44. State the difference between transverse and longitudinal waves. A) Transverse waves do not transfer energy. B) Longitudinal waves oscillate perpendicular to the direction of energy transfer. C) Transverse waves oscillate parallel to the direction of energy transfer. D) Transverse waves oscillate perpendicular to the direction of energy transfer, while longitudinal waves oscillate parallel to the direction of energy transfer. Show Answer Correct Answer: D) Transverse waves oscillate perpendicular to the direction of energy transfer, while longitudinal waves oscillate parallel to the direction of energy transfer. 45. What type of wave is created when a person does a cannon ball into a pool? A) Compression. B) Electromagnetic. C) Longitudinal. D) Transverse. Show Answer Correct Answer: D) Transverse. 46. As the frequency increases: A) Wavelength increases. B) Wavelength decreases. C) Wavelength stays the same. D) None of the above. Show Answer Correct Answer: B) Wavelength decreases. 47. Frequency of a wave is measured in units called A) Hertz (Hz). B) Joules (J). C) Newtons (N). D) Seconds. Show Answer Correct Answer: A) Hertz (Hz). 48. Which color absorbs light? A) White. B) Black. C) Blue. D) Red. Show Answer Correct Answer: B) Black. 49. A(n) ..... travels in a direction perpendicular to its displacement. A) Surface wave. B) Transverse wave. C) Longitudinal wave. D) Interference wave. Show Answer Correct Answer: B) Transverse wave. 50. In an inelastic collision, as compared to an elastic collision, what is to be expected? A) Momentum is conserved and energy is conserved. B) Momentum is conserved and energy is not conserved. C) Momentum is not conserved and energy is conserved. D) Momentum is not conserved and energy is not conserved. Show Answer Correct Answer: B) Momentum is conserved and energy is not conserved. 51. Which wave can only travel using a medium? A) Transverse. B) Longitudinal. C) Both. D) Neither. Show Answer Correct Answer: B) Longitudinal. 52. What is the equation for wave speed? A) F=1/T. B) V=$\lambda$*T. C) V=$\lambda$*W. D) V=$\lambda$*f. Show Answer Correct Answer: D) V=$\lambda$*f. 53. It refers to how high or low the sounds seem. A) Frequency. B) Pitch. C) Intensity. D) Loudness. Show Answer Correct Answer: B) Pitch. 54. What is the definition of intensity as it relates to waves? A) The height of the wave from the rest position. B) The rate at which it transfers energy divided by the area over which the energy is spread. C) The distance between successive crests of a wave. D) The type of medium through which the wave travels. Show Answer Correct Answer: B) The rate at which it transfers energy divided by the area over which the energy is spread. 55. Which animals can see beyond the range of human beings? (a) A) A. Bees, birds and some fish. B) Bees, dogs and bats. C) Bats, dolphins and birds. D) Don't know/Can't remember. Show Answer Correct Answer: A) A. Bees, birds and some fish. 56. The very top point of a wave is called a ..... A) Medium. B) Amplitude. C) Trough. D) Crest. Show Answer Correct Answer: D) Crest. 57. What is the relationship between the frequency and wavelength of a wave? A) Not related. B) Equal to the speed of the wave. C) Inversely proportional. D) Directly proportional. Show Answer Correct Answer: C) Inversely proportional. 58. Electro-magnetic waves can travel through space A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 59. What types of waves can travel through empty space AND mediums? (a) A) Longitudinal. B) Mechanical. C) A. Electromagnetic. D) None of the above. Show Answer Correct Answer: C) A. Electromagnetic. 60. What is the frequency of a wave? A) The lowest point of a transverse wave. B) Resting point of a wave-no wave movement. C) # of oscillations produced in a certain amount of time. D) The distance the wave oscillates from it's resting position. Show Answer Correct Answer: C) # of oscillations produced in a certain amount of time. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books