This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 56 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 56 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Jim taps the table while Mark had his hands on the table. Cindy was not touching the table but heard the tapping after Mark did. Why would Mark hear or feel the tapping first? A) Sound travels through air and wood at different speeds. B) The taps only made the table vibrate, they did not make the air vibrate. C) The frequency of the taps was different in wood than in air. D) None of the above. Show Answer Correct Answer: A) Sound travels through air and wood at different speeds. 2. The difference between mechanical and electromagnetic waves is: A) Nothing. B) They have different wavelengths. C) Electromagnetic waves can travel through no medium (a vacuum). D) Mechanical waves can travel through no medium (a vacuum). Show Answer Correct Answer: C) Electromagnetic waves can travel through no medium (a vacuum). 3. One point on a wave to the exact same point on the next wave A) Amplitude. B) Wavelength. C) Frequency. D) None of the above. Show Answer Correct Answer: B) Wavelength. 4. Which correctly orders the EM spectrum from longest to shortest wavelength? A) Gamma rays, X-rays, Ultraviolet, Visible light, Infrared, Microwaves, Radio waves. B) Infrared, Microwaves, Radio waves, Visible light, Ultraviolet, Gamma rays, X-rays. C) Visible light, Infrared, Microwaves, Gamma rays, X-rays, Ultraviolet, Radio waves. D) Radio waves, Microwaves, Infrared, Visible light, Ultraviolet, X-rays, Gamma rays. Show Answer Correct Answer: D) Radio waves, Microwaves, Infrared, Visible light, Ultraviolet, X-rays, Gamma rays. 5. Two waves are traveling through a container of an inert gas. Wave A has an amplitude of 0.1 cm. Wave B has an amplitude of 0.2 cm. The energy transported by wave B must be ..... the energy transported by wave A. A) Double. B) 4 times greater. C) 9 times greater. D) 8 times greater. Show Answer Correct Answer: B) 4 times greater. 6. Node A) Any motion that repeats in a regular cycle. B) The point with the largest displacementwhen two wave pulses meet. C) States that the force acting on a spring is directlyproportional to the amount that the spring is stretched. D) The stationary point where two equal wavepulses meet and are in the same location, having a displacement of zero. Show Answer Correct Answer: D) The stationary point where two equal wavepulses meet and are in the same location, having a displacement of zero. 7. The maximum distance that the particles of a wave's medium vibrate from their rest position A) Frequency. B) Wavelength. C) Wavespeed. D) Amplitude. Show Answer Correct Answer: D) Amplitude. 8. What type of EM radiation plays an important role in wireless communication? A) Ultraviolet. B) Visible light. C) Infrared. D) Microwave. Show Answer Correct Answer: D) Microwave. 9. When a wave encounters a boundary between two media, the change in direction of the wave is known as ..... A) Reflection. B) Refraction. C) Polarisation. D) None of the above. Show Answer Correct Answer: B) Refraction. 10. In what type of wave does the medium move perpendicular to the movement of the wave? A) Transverse. B) Longitudinal. C) Electromagnetic. D) Radio. Show Answer Correct Answer: A) Transverse. 11. When amplitude is increased how will it effect a light wave? A) Increase fequency. B) Increased brightness. C) Increases volume. D) Decreases brightness. Show Answer Correct Answer: B) Increased brightness. 12. What type of energy does a sound wave have? A) Mechanical. B) Radiant. C) Electrical. D) Sound. Show Answer Correct Answer: A) Mechanical. 13. What is the intensity of a wave related to? A) The wavelength of the wave. B) The frequency of the wave. C) The amplitude of the wave. D) The speed of the wave. Show Answer Correct Answer: C) The amplitude of the wave. 14. The ..... is the size or height of a wave, measured from the equilibrium to the crest or trough. A) Amplitude. B) Wavelength. C) Frequency. D) None of the above. Show Answer Correct Answer: A) Amplitude. 15. True or False:The angle of incidence always equals the angle of reflection A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. Describe the phenomenon of wave interference. A) Wave interference occurs only in sound waves. B) Wave interference is the phenomenon where two or more waves superpose to form a resultant wave, leading to patterns of constructive and destructive interference. C) Wave interference is the result of waves colliding and disappearing. D) Wave interference is a phenomenon that only happens in liquids. Show Answer Correct Answer: B) Wave interference is the phenomenon where two or more waves superpose to form a resultant wave, leading to patterns of constructive and destructive interference. 17. Sound with a high pitch has a high ..... A) Amplitude. B) Frequency. C) Wavelength. D) Wave velocity. Show Answer Correct Answer: B) Frequency. 18. A guitar string vibrates with a frequency of 320 hz. If the wavelength of the vibration is 0.23 meters what is the speed of the wave? A) 320.23 m/s. B) 1391.3 hz. C) 73.6 m/hz. D) 73.6 m/s. Show Answer Correct Answer: D) 73.6 m/s. 19. If the wavelength of a wave increased, what would happen to the frequency? A) Decrease. B) Increase. C) Stay the same. D) None of the above. Show Answer Correct Answer: A) Decrease. 20. Which type of wave can travel through a vacuum? A) Electromagnetic waves. B) Seismic waves. C) Sound waves. D) Water waves. Show Answer Correct Answer: A) Electromagnetic waves. 21. When a wave bends around a barrier or passes through an opening, it is called A) Diffraction. B) Reflection. C) Refraction. D) Interference. Show Answer Correct Answer: A) Diffraction. 22. Speed = Wavelength (a) Frequency A) A. x. B) /. C) +. D) -. Show Answer Correct Answer: A) A. x. 23. Explain how the speed of a wave changes when it enters a different medium. A) Speed of the wave remains constant. B) Speed of the wave can either increase or decrease. C) Speed of the wave becomes negative. D) Speed of the wave becomes zero. Show Answer Correct Answer: B) Speed of the wave can either increase or decrease. 24. At the equilibrium position, the oscillator experiences no acceleration. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 25. The number of waves that go by in a certain amount of time is known as A) Frequency. B) Wavelength. C) Speed. D) Latitude. Show Answer Correct Answer: A) Frequency. ← 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