This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 38 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 38 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the speed of a wave that has a wavelength of 2 and a frequency of 2.5? A) 2.5 m/s. B) 5 m/s. C) 4.5 m/s. D) 6 m/s. Show Answer Correct Answer: B) 5 m/s. 2. The number of waves that pass by a given point per second is known as a wave's ..... A) Frequency. B) Wavelength. C) Amplitude. D) Peak. Show Answer Correct Answer: A) Frequency. 3. What is the frequency of a wave that takes 15 seconds to pass a point? A) 1.5 Hz. B) 15 Hz. C) 0.015Hz. D) 0.15 Hz. E) Don't know/Can't remember. Show Answer Correct Answer: D) 0.15 Hz. 4. Are X-ray waves part of the EM spectrum? A) YES. B) NO. C) All the above. D) None of the above. Show Answer Correct Answer: A) YES. 5. What is the primary factor that determines the speed of a wave in a given medium? A) The frequency of the wave. B) The amplitude of the wave. C) The type of medium. D) The wavelength of the wave. Show Answer Correct Answer: C) The type of medium. 6. Ships have been damaged by water waves with large amplitudes-These waves could have been formed by adding the displacements of smaller waves-Which term describes this phenomenon A) Diffraction. B) Polarisation. C) Refraction. D) Superposition. Show Answer Correct Answer: D) Superposition. 7. The distance between the center of a wave and its maximum height is called the: A) Wavelength. B) Antinode. C) Amplitude. D) Medium. Show Answer Correct Answer: C) Amplitude. 8. Which type of electromagnetic wave has the longest wavelength? A) Visible light. B) Radio waves. C) Ultraviolet. D) Gamma rays. Show Answer Correct Answer: B) Radio waves. 9. Which type of wave is an ocean wave? A) Electromagnetic. B) Mechanical. C) All the above. D) None of the above. Show Answer Correct Answer: B) Mechanical. 10. It is the region of longitudinal wave where the particles of the medium are closest together. A) Rarefaction. B) Combination. C) Compression. D) Combustion. Show Answer Correct Answer: C) Compression. 11. The speed of sound in air depends on the ..... of the air. A) Amplitude. B) Frequency. C) Temperature. D) Wavelength. Show Answer Correct Answer: C) Temperature. 12. As a wave enters a new medium, there may be a change in the wave's A) Frequency. B) Speed. C) Period. D) Phase. Show Answer Correct Answer: B) Speed. 13. The relationship between wavelength and frequency is $\lambda$=c/f. Calculate the wavelength of light that has a frequency of 5.2 x 10$^{12 }$1/s. The speed of of light is 3.0x 10$^{8}$ m/s. A) 5.8 x 10 $^{-5}$ m. B) 5.8 x 10 $^{-7}$ m. C) 5.19 x 10 $^{14}$ m. D) 1.56 x 10 $^{23}$ m. Show Answer Correct Answer: A) 5.8 x 10 $^{-5}$ m. 14. Which of the following is correct for a stationary wave? A) Between two nodes the amplitude of the wave is constant. B) The two waves producing the stationary wave must always be 180$^\circ$ out of phase. C) The separation of the nodes for the second harmonic is double the separation of nodes for the first harmonic. D) Between two nodes all parts of the wave vibrate in phase. Show Answer Correct Answer: D) Between two nodes all parts of the wave vibrate in phase. 15. The time taken for one oscillation of 0.25 s. What is the frequency of this harmonic motion? A) 8 Hz. B) 4 s. C) 4 Hz. D) 8 s. Show Answer Correct Answer: C) 4 Hz. 16. If 10 waves pass one point every 16.0 seconds, what is the frequency of the wave? A) 10 Hz. B) 1.6 Hz. C) 0.625 Hz. D) 0.312 Hz. Show Answer Correct Answer: C) 0.625 Hz. 17. Law of Reflection states that the angle of: A) Refraction equals wave speed. B) Incidence equals angle of reflection. C) Wavelength determines reflection. D) Amplitude controls reflection. Show Answer Correct Answer: B) Incidence equals angle of reflection. 18. If you shine white light through a prism it will A) Be refracted. B) Be refracted but the different colours will be refracted different amounts. C) Be reflected. D) None of the above. Show Answer Correct Answer: B) Be refracted but the different colours will be refracted different amounts. 19. Which radiation increases risk of skin cancer? A) Infrared. B) Microwaves. C) Ultraviolet. D) Radio waves. Show Answer Correct Answer: C) Ultraviolet. 20. When a wave undergoes total internal reflection, which of the following statements is true? A) The wave is partially reflected and partially transmitted. B) The incident angle is greater than the critical angle. C) The refractive indices of the two media are equal. D) The wave is absorbed by the medium. Show Answer Correct Answer: B) The incident angle is greater than the critical angle. 21. Used in medical technology specifically in generating images of lungs and bone fractures A) Infrared. B) Visible light. C) Ultraviolet. D) X-ray. Show Answer Correct Answer: D) X-ray. 22. Light is this type of wave A) Transverse Wave. B) Longitudinal Wave. C) All the above. D) None of the above. Show Answer Correct Answer: A) Transverse Wave. 23. Hey Nora and Luna, imagine you're at the beach watching the waves. Can you tell Rohan which wave property describes the height of a wave from its rest position to its crest? A) Frequency. B) Wavelength. C) Amplitude. D) SpeedTagsDOK Level 1:Recall. Show Answer Correct Answer: C) Amplitude. 24. Which of the following is not an example of approximate simple harmonic motion? A) A ball bouncing on the floor. B) A child swinging on a swing. C) A piano wire that has been struck. D) A car's radio antenna waving back and forth. Show Answer Correct Answer: A) A ball bouncing on the floor. 25. Wave length A) The distance between two crest on the wave. B) The height of the wave from trough to crest. C) The speed of the wave in a medium. D) The frequency of the wave in hertz. Show Answer Correct Answer: A) The distance between two crest on the wave. ← 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