This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following statements about sound is NOT correct? A) Sound is transmitted as transverse waves. B) Sound may be produced by vibrating systems. C) Sound does not travel through a vacuum. D) Sound travels slower than light. Show Answer Correct Answer: A) Sound is transmitted as transverse waves. 2. What is the definition of amplitude in a wave? A) The time it takes for one complete wave to pass a certain point. B) The height of a wave measured from rest to crest. C) The number of complete waves that occur in one second. D) The distance from one point on a wave to the same point on the next wave. Show Answer Correct Answer: B) The height of a wave measured from rest to crest. 3. A fire alarm is not loud enough and the pitch is too low. An engineer adjusts the alarm so that it produces a louder note of a higher pitch.What effect does this have on the amplitude and on the frequency of the sound? A) A larger F greater. B) A larger F smaller. C) A smaller F greater. D) A smaller F smaller. Show Answer Correct Answer: A) A larger F greater. 4. What happens when light hits a mirror? A) It makes a color. B) It reflects. C) It makes a rainbow. D) It passes through. Show Answer Correct Answer: B) It reflects. 5. Sound waves are also known as ..... waves. A) Compression. B) Longitudinal. C) Neither. D) Both longitudinal and compression. Show Answer Correct Answer: D) Both longitudinal and compression. 6. Which has a longer wavelength A) Microwave. B) X-ray. C) All the above. D) None of the above. Show Answer Correct Answer: A) Microwave. 7. Identify the basic components of a wave. A) Crest and Trough. B) Amplitude and Frequency. C) Wavelength and Speed. D) Medium and Particles. Show Answer Correct Answer: D) Medium and Particles. 8. What does the term "transparent" refer to in the context of material properties? A) Transmits no light and is not see-through. B) Transmits all light and is see-through. C) Scatters light and is partially see-through. D) Absorbs or reflects all light and is not see-through. Show Answer Correct Answer: B) Transmits all light and is see-through. 9. These wavelengths correspond to light in the visible section of the Electromagnetic Spectrum400nm, 470nm, 510nm, 650nmWhich wavelength corresponds to red light? A) 400nm. B) 470nm. C) 510nm. D) 650nm. Show Answer Correct Answer: D) 650nm. 10. Refraction happens when a wave A) Enters a new medium at an angle. B) Hits a surface it cannot pass through. C) Goes through a hole in a barrier. D) Travels through outer space. Show Answer Correct Answer: A) Enters a new medium at an angle. 11. The de Broglie wavelength of an electron movingwith a velocity $1.5\times10^8\\frac{m}{ses}$ A) $\frac{1}{4}$. B) $\frac{1}{2}$. C) $2$. D) $4$. Show Answer Correct Answer: A) $\frac{1}{4}$. 12. It is the amount of energy a sound wave carries per second through a unit area. A) Frequency. B) Loudness. C) Pitch. D) Intensity. Show Answer Correct Answer: D) Intensity. 13. Which of the following can act as media for a wave? (a) A) Solids only. B) Liquids only. C) Gases only. D) D. Solids, liquids, and gases. Show Answer Correct Answer: D) D. Solids, liquids, and gases. 14. How would you describe the amplitude of a longitudinal wave? A) From centerline to crest or trough. B) Density of the compression. C) From centerline to compression. D) Density of rarefaction. Show Answer Correct Answer: B) Density of the compression. 15. What happens when the crest of one wave meets the trough of another wave? A) The resulting wave is has a bigger amplitude. B) The resulting wave has a smaller amplitude. C) The resulting wave has the same amplitude as the original waves. D) There is no change to the amplitude of the waves. Show Answer Correct Answer: B) The resulting wave has a smaller amplitude. 16. The pitch of the sound depends on A) Frequency. B) Amplitude. C) Wavelength. D) None of the above. Show Answer Correct Answer: A) Frequency. 17. The concept of beats happens because of A) Refraction. B) Reflection. C) Constructive interference. D) None of the above. Show Answer Correct Answer: C) Constructive interference. 18. The length traveled in one cycle is the ..... A) Wave Speed. B) Frequency. C) Wavelength. D) Amplitude. E) Period. Show Answer Correct Answer: C) Wavelength. 19. Highest point of a wave A) Crest. B) Trough. C) Wavelength. D) Frequency. Show Answer Correct Answer: A) Crest. 20. What is the term used to describe the merging of waves of different frequencies and wavelengths? A) Interference. B) Superposition. C) Diffraction. D) Reflection. Show Answer Correct Answer: B) Superposition. 21. Explain the term 'refraction' of waves. A) Refraction of waves is the bending of waves as they pass from one medium to another with different densities. B) Refraction of waves is the amplification of waves as they move through different mediums. C) Refraction of waves is the absorption of waves by the medium they pass through. D) Refraction of waves is the splitting of waves into multiple directions. Show Answer Correct Answer: A) Refraction of waves is the bending of waves as they pass from one medium to another with different densities. 22. What does midpoint mean? A) Middle of a wave (between the crest and the trough). B) Middle of a wave (between the crest and the amplitude). C) All the above. D) None of the above. Show Answer Correct Answer: A) Middle of a wave (between the crest and the trough). 23. What is light primarily described as? A) A particle. B) A form of sound. C) A wave. D) A chemical reaction. Show Answer Correct Answer: C) A wave. 24. According to Maxwell's Hypothesis, a changing electric field gives rise to? A) Induced EMF. B) Electric Field. C) Magnetic Field. D) Magnetic Dipole. Show Answer Correct Answer: C) Magnetic Field. 25. Examples of ..... waves include sound waves and earthquake P-waves. A) Transverse. B) Longitudinal. C) All the above. D) None of the above. Show Answer Correct Answer: B) Longitudinal. ← 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