This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 61 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 61 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the relationship between frequency and wavelength of a wave? A) Direct relationship. B) Inverse relationship. C) Exponential relationship. D) No relationship. Show Answer Correct Answer: B) Inverse relationship. 2. A sound wave has a frequency of 2500 Hz and a speed of 1500 m s$^{-1}$. What is the shortest distance from a point of maximum pressure in the wave to a point of minimum pressure? A) 0.15 m. B) 0.30 m. C) 0.60 m. D) 1.20 m. Show Answer Correct Answer: B) 0.30 m. 3. Which of these statements describes a characteristic of all mechanical waves? A) They are transverse waves. B) They are longitudinal waves. C) They travel through medium. D) They travel through empty space. Show Answer Correct Answer: C) They travel through medium. 4. How would you describe the movement of a longitudinal wave? A) Up and down. B) Back and forth. C) In zigzags. D) Linear. Show Answer Correct Answer: B) Back and forth. 5. If the fundamental harmonic of a trumpet is $50Hz$ $340ms^{-1}$ A) $1.7m$. B) $6.8m$. C) $27.2m$. D) $3.4m$. Show Answer Correct Answer: A) $1.7m$. 6. When two waves meet, the waves are said to be in A) Superposition. B) Wave front. C) In-phase. D) Out-of-phase. Show Answer Correct Answer: A) Superposition. 7. A wave where the particles oscillate perpendicular to the direction of energy transfer is called a ..... wave. A) Sound. B) High frequency. C) Transverse. D) Right angled. Show Answer Correct Answer: C) Transverse. 8. Which of these is an example of a transverse wave? A) Sound. B) A vibrating guitar string. C) Pressure waves. D) None of the above. Show Answer Correct Answer: B) A vibrating guitar string. 9. Plane water waves which travel from deep water to shallow water A) Are diffracted. B) Increase their speed. C) Undergo a change in frequency. D) Undergo a change in wavelength. Show Answer Correct Answer: D) Undergo a change in wavelength. 10. Waves transfer matter true or false? A) True. B) False. C) Certainly. D) I am not sure. Show Answer Correct Answer: B) False. 11. A traveling wave that causes the elements of the disturbed medium to move parallel to the direction of propagation A) Transverse wave. B) Longitudinal wave. C) Complex wave. D) None. Show Answer Correct Answer: B) Longitudinal wave. 12. Bats and dolphins use this to help them find food A) MAGNETISM. B) GPS. C) MICROWAVES. D) ECHOLOCATION. Show Answer Correct Answer: D) ECHOLOCATION. 13. Wave particles are parallel to the wave direction in ..... waves. A) Transverse. B) Longitudinal. C) All the above. D) None of the above. Show Answer Correct Answer: B) Longitudinal. 14. The lowest frequency form of visible light is ..... A) Red. B) Yellow. C) Green. D) Violet. Show Answer Correct Answer: A) Red. 15. The ..... of a transverse wave is its highest point. A) Trough. B) Crest. C) Amplitude. D) Medium. Show Answer Correct Answer: B) Crest. 16. What is the speed of a wave and how is it calculated? A) Speed = Amplitude / Period. B) Speed = Velocity / Frequency. C) Speed = Frequency x Wavelength. D) Speed = Wavelength / Period. Show Answer Correct Answer: D) Speed = Wavelength / Period. 17. What are the main properties of sound waves? A) Reflection, refraction, diffraction, and absorption. B) Color, texture, density, and pressure. C) Volume, pitch, tone, and rhythm. D) The main properties of sound waves are frequency, wavelength, amplitude, speed, and phase. Show Answer Correct Answer: D) The main properties of sound waves are frequency, wavelength, amplitude, speed, and phase. 18. How does the angle of incidence relate to the angle of reflection? A) The angle of incidence is equal to the angle of reflection. B) The angle of incidence is greater than the angle of reflection. C) The angle of incidence has no relation to the angle of reflection. D) The angle of incidence is less than the angle of reflection. Show Answer Correct Answer: A) The angle of incidence is equal to the angle of reflection. 19. If you increase the frequency of a wave, what happens to the wavelength of that wave? A) It increases. B) It is not affected. C) It decreases. D) None of the above. Show Answer Correct Answer: C) It decreases. 20. What is the maximum displacement of a wave from its rest position called? A) Frequency. B) Wavelength. C) Amplitude. D) Period. Show Answer Correct Answer: C) Amplitude. 21. Suppose the air temperature is 21$^\circ$C. What is the speed of sound? A) 343.6 m/s. B) 457.0 m/s. C) 332.3 m/s. D) 352.6 m/s. Show Answer Correct Answer: A) 343.6 m/s. 22. When light enters a less optically dense medium it refracts ..... A) Towards the normal. B) Away from the normal. C) All the above. D) None of the above. Show Answer Correct Answer: B) Away from the normal. 23. Sound waves cannot travel through outer space because A) They are electromagnetic waves. B) They cannot travel through the cold of outer space. C) The gas molecules in space are too far apart. D) There is no one to hear it. Show Answer Correct Answer: C) The gas molecules in space are too far apart. 24. Wave motion:Cellphones A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 25. When a wave travels through a medium, the wave transfers A) Mass, only. B) Energy, only. C) Both mass and energy. D) Neither mass nor energy. Show Answer Correct Answer: B) Energy, 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