This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Olive Udadi accompanies her father to the park for an afternoon of fun. While there, she hops on the swing and begins to swing back and forth once every 4 seconds. The frequency of her swing is: A) 0.25 Hz. B) 0.25 s. C) 4.0 Hz. D) 4.0 s. Show Answer Correct Answer: A) 0.25 Hz. 2. What is the velocity of a wave with a frequency of 550 Hz and a wavelength of .23m? A) 12.65 m/s. B) 126.5 m/s. C) 1265 m/s. D) 1.26 m/s. Show Answer Correct Answer: B) 126.5 m/s. 3. An ultrasound tech is trying to identify an object, but the screen of the machine is broken. Which statement best describes this situation? A) The generated sound wave will not be able to reflect off of the object. B) The sound wave will not be generated, so there will be no echoes received. C) The echoes will be made but will not be able to be received by the machine. D) The machine will not be able to process the received echoes into images. Show Answer Correct Answer: D) The machine will not be able to process the received echoes into images. 4. Frieda the fly flaps her wings back and forth 100 times each second. The frequency of her wings flapping is: A) 100 s. B) 100 Hz. C) 0.01 s. D) 0.01 Hz. Show Answer Correct Answer: B) 100 Hz. 5. Which of the following is the correct relation between the wavelength, $\lambda$ $\upsilon$ A) $\lambda$ $\upsilon$ $=$. B) F $=$ $\frac{\lambda}{\upsilon}$. C) F $=$ $\frac{\upsilon}{\lambda}$. D) $\lambda$ $=$ $\frac{f}{\upsilon}$. Show Answer Correct Answer: C) F $=$ $\frac{\upsilon}{\lambda}$. 6. The number of waves that pass somewhere in a second is: A) Amplitude. B) Frequency. C) Wavelength. D) None of the above. Show Answer Correct Answer: B) Frequency. 7. A beam of monochromatic red light passes obliquely from air into water. Which characteristic of the light does not change? A) Direction. B) Velocity. C) Frequency. D) Wavelength. Show Answer Correct Answer: C) Frequency. 8. If a wave obtains a frequency of 250 Hertz, what is its period? A) 62, 500 seconds. B) 125 seconds. C) 1 second. D) 0.004 seconds. Show Answer Correct Answer: D) 0.004 seconds. 9. When a wave bends as it passes through at an angle from one medium to another. A) Medium. B) Refraction. C) Reflection. D) Interference. Show Answer Correct Answer: B) Refraction. 10. What kind of waves are transverse waves? A) Waves in which the oscillation is random. B) Waves in which the oscillation is perpendicular to the direction of wave travel. C) Waves in which the oscillation is in the same direction as the wave travel. D) Waves in which the oscillation is circular. Show Answer Correct Answer: B) Waves in which the oscillation is perpendicular to the direction of wave travel. 11. You tie a 0.2 kg mass to the end of a 0.34 meter long piece of string to make a pendulum. You pull the pendulum 10 degrees to the side and release it. What will be the period of its oscillation? A) 1.17 seconds. B) 0.34 seconds. C) 1.34 seconds. D) 0.16 seconds. Show Answer Correct Answer: A) 1.17 seconds. 12. What type of wave does NOT need matter to travel through? A) Mechanical. B) Transverse. C) Sound. D) Electromagnetic. Show Answer Correct Answer: D) Electromagnetic. 13. A sound wave has a frequency of 200 Hz. What is the wavelength of the sound wave? A) 0.58 meters. B) 1.72 meters. C) 3.43 meters. D) 6.86 meters. Show Answer Correct Answer: B) 1.72 meters. 14. The number of complete oscillations a harmonic motion makes each second is the ..... of the wave. A) Fortitude. B) Amplitude. C) Period. D) Frequency. Show Answer Correct Answer: D) Frequency. 15. When a wave strikes an object and bounces off A) Medium. B) Refraction. C) Reflection. D) Interference. Show Answer Correct Answer: C) Reflection. 16. Constructive interference occurs when two or more waves combine to produce a smaller wave A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 17. The top of a transverse wave A) Node. B) Trough. C) Crest. D) Wavelength. Show Answer Correct Answer: C) Crest. 18. In a standing wave, where are the particles oscillating with the greatest amplitude located? A) Wavelengths. B) Nodes. C) Amplitude points. D) Antinodes. Show Answer Correct Answer: D) Antinodes. 19. Amplitude relates to A) Height of the wave. B) Wavelength. C) Wave speed. D) Frequency. Show Answer Correct Answer: A) Height of the wave. 20. A tank contains water. Ripples are produced on the surface of the water. Refraction is observed. What causes the ripples to refract? A) The cold water in the tank is replaced by warm water. B) The ripples change speed as they move from deep to shallow water. C) The ripples hit the wall of the tank. D) The ripples pass through a narrow gap. Show Answer Correct Answer: B) The ripples change speed as they move from deep to shallow water. 21. What does a wave carry from place to place? A) Energy. B) Matter. C) People. D) None of the above. Show Answer Correct Answer: A) Energy. 22. Period of oscillation? A) T=2 $\pi$ $\omega$. B) T=2 $\pi$ $\nu$. C) T= $\frac{2\pi}{\nu}$. D) T= $\frac{2\pi}{\omega}$. Show Answer Correct Answer: D) T= $\frac{2\pi}{\omega}$. 23. What is the time period of a wave? A) The height of a wave measured from rest to crest. B) The number of complete waves that occur in one second. C) How long it takes for one complete wave to pass a certain point. D) How fast a wave travels in a given time. Show Answer Correct Answer: C) How long it takes for one complete wave to pass a certain point. 24. ..... is the number of waves that past in a given amount of time. A) Frequency. B) Amplitude. C) Wavelength. D) Resonance. Show Answer Correct Answer: A) Frequency. 25. If i multiply the frequency of a wave with its wavelength, that would equal A) Speed. B) Period. C) Medium. D) Amplitude. Show Answer Correct Answer: A) Speed. ← 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