This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 62 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 62 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which EM wave has the highest frequency? A) Ultraviolet rays. B) X-rays. C) Microwaves. D) Gamma rays. Show Answer Correct Answer: D) Gamma rays. 2. A standing wave is formed on a string of length d. Which of the following statements is/are true?1. A wave is travelling along the string and reflecting back on itself.2.The standing wave is an example of superposition.3.The wavelength of the standing wave is d. A) 1, 2 and 3. B) Only 1 and 2. C) Only 2 and 3. D) Only 1. Show Answer Correct Answer: B) Only 1 and 2. 3. In an ocean wave, what is the medium? A) The boats as the move across the water. B) The currents underneath the ocean surface. C) The ocean water is the medium. D) Sunlight reflecting off the ocean surface. Show Answer Correct Answer: C) The ocean water is the medium. 4. Do all waves always have the same wavelength? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 5. The wavelength $\lambda$ A) The highest point of the wave. B) The lowest point of the wave. C) The distance between two successive crests. D) The time of one wavelength. Show Answer Correct Answer: C) The distance between two successive crests. 6. Which of the following can act as a medium? A) Solids. B) Liquids. C) Gases. D) All of the above. Show Answer Correct Answer: D) All of the above. 7. Due to the Doppler effect, it a sound (like a train ) is moving toward you, how will the sound change as it approaches? A) Pitch sounds lower. B) Amplitude sounds lower. C) Amplitude sounds higher. D) Pitch sounds higher. Show Answer Correct Answer: D) Pitch sounds higher. 8. Amplitude reflects the amount of ..... in a wave. We learned in the waves lab that it is related to the ..... of sound waves. A) Speed, volume. B) Energy, pitch. C) Energy, volume. D) Speed, pitch. Show Answer Correct Answer: C) Energy, volume. 9. What happens to sound waves when they strike a surface and quickly lose their energy? A) Diffraction. B) Transmitted waves. C) Absorption. D) Reflection. Show Answer Correct Answer: C) Absorption. 10. Which of the following statements describes the period of a wave? A) Number of waves per second. B) Distance from crest to crest. C) Distance from resting position to top of the wave. D) Time taken to produce one wave. Show Answer Correct Answer: D) Time taken to produce one wave. 11. What is the term for the highest point of a wave? A) Trough. B) Crest. C) Node. D) Antinode. Show Answer Correct Answer: B) Crest. 12. The disturbance is parallel to the direction of wave travel. A) Longitudinal Wave. B) Transverse Wave. C) Mechanical Wave. D) Electromagnetic Wave. Show Answer Correct Answer: A) Longitudinal Wave. 13. The lowest point on a transverse wave is the A) Compression. B) Crest. C) Rest position. D) Trough. Show Answer Correct Answer: D) Trough. 14. When a noise is moving towards an observer, the closer it comes ..... A) The lower the pitch. B) The longer the noise. C) The higher the pitch. D) The quieter the noise. Show Answer Correct Answer: C) The higher the pitch. 15. If waves overlap and are in phase, how will that affect the resultant wave? A) Decrease the amplitude. B) Increase the amplitude. C) Decrease the frequency. D) Increase the frequency. Show Answer Correct Answer: B) Increase the amplitude. 16. Utilized in treating cancer, the radiotherapy A) Gamma ray. B) X-ray. C) Visible light. D) Microwave. Show Answer Correct Answer: A) Gamma ray. 17. A wave is present in a slinky. A coil of the slinky makes 12 complete up and down cycles of vibration in 4 seconds. The period of this wave is ..... and the frequency is ..... A) 4 seconds; 3 Hz. B) 3 seconds; 0.333 Hz. C) 4 seconds; 0.25 Hz. D) 0.333 seconds; 3 Hz. Show Answer Correct Answer: D) 0.333 seconds; 3 Hz. 18. What is the frequency of an electromagnetic wave that has a wavelength of 10, 000 m? A) 30, 000 Hz. B) 20, 000 Hz. C) 4.5 x 10$^{5 }$Hz. D) 15 Hz. Show Answer Correct Answer: A) 30, 000 Hz. 19. Sound waves are which type of waves? A) Transverse. B) Seismic. C) Longitudinal. D) Frequency. Show Answer Correct Answer: C) Longitudinal. 20. If velocity of a particle is 3 times of that of electronand ratio of de brogile wavelength of particle to thatof electron is $1.814\times10^{-4}$ A) Neutron. B) Deutron. C) Alpha. D) Tritium. Show Answer Correct Answer: A) Neutron. 21. The distance in between two waves. A) Wave speed. B) Frequency. C) Wavelength. D) None of the above. Show Answer Correct Answer: C) Wavelength. 22. How do sound waves differ from light waves? A) Sound waves can travel through a vacuum like light waves. B) Light waves require a medium to travel; sound waves do not. C) Sound waves travel faster than light waves. D) Sound waves require a medium to travel; light waves do not. Show Answer Correct Answer: D) Sound waves require a medium to travel; light waves do not. 23. What is the principle of superposition in waves? A) The principle of superposition describes the speed of waves in a medium. B) The principle of superposition states that waves cannot interfere with each other. C) The principle of superposition in waves is the concept that the total displacement at a point is the sum of the displacements of individual waves. D) The principle of superposition only applies to sound waves. Show Answer Correct Answer: C) The principle of superposition in waves is the concept that the total displacement at a point is the sum of the displacements of individual waves. 24. A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave? A) 25 m. B) 125 m. C) 5 m. D) 25 m/s. Show Answer Correct Answer: C) 5 m. 25. A radio station sends out a signal of 105.3 MHz. What is the wavelength of the radio wave? A) 2.849 m. B) 3.257 x 10$^{-6}$ m. C) 2848 x 10$^{6}$ m. D) 1.053 x 10$^{8}$ m. Show Answer Correct Answer: A) 2.849 m. ← 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