This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 63 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 63 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Electromagnetic waves can travel without a medium. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. Waves bending because of a change in speed is called ..... A) Compression. B) Rarefaction. C) Refraction. D) Diffraction. Show Answer Correct Answer: C) Refraction. 3. Which EM wave is used to treat cancer? A) Gamma. B) Radio. C) Xray. D) Infrared. Show Answer Correct Answer: A) Gamma. 4. Which wave has the highest penetrating power (and is more dangerous)? A) Microwave. B) Ultraviolet. C) X-ray. D) Gamma Ray. Show Answer Correct Answer: D) Gamma Ray. 5. Describe the concept of frequency in relation to waves. A) Frequency is the amplitude of a wave. B) Frequency in relation to waves is the number of complete cycles of a wave that occur in a given time period. C) Frequency is the speed of a wave. D) Frequency is the wavelength of a wave. Show Answer Correct Answer: B) Frequency in relation to waves is the number of complete cycles of a wave that occur in a given time period. 6. A wave has a wavelength of 0.025 m and a frequency of 3 Hz. Calculate the velocity of this wave. A) 75 m/s. B) 3.25 m/s. C) 0.075 m/s. D) 750 m/s. Show Answer Correct Answer: C) 0.075 m/s. 7. All sound waves are- A) Standing waves. B) Reflected waves. C) Longitudinal waves. D) Electromagnetic waves. Show Answer Correct Answer: C) Longitudinal waves. 8. All of the waves listed below are a part of the electromagnetic spectrum except A) X Rays. B) Sound Waves. C) Gamma Rays. D) Light Waves. Show Answer Correct Answer: B) Sound Waves. 9. The number of waves that pass a certain point. A) Wave speed. B) Frequency. C) All the above. D) None of the above. Show Answer Correct Answer: B) Frequency. 10. The height of the wave from its resting point is called its A) Wavelength. B) Amplitude. C) Velocity. D) Frequency. Show Answer Correct Answer: B) Amplitude. 11. Sound waves travel the fastest through dense materials. Through which of these would sound waves travel the SLOWEST? A) Air. B) Glass. C) Metal. D) Water. Show Answer Correct Answer: A) Air. 12. What is an example of an object demonstrating Natural Frequency? A) A person hitting a table. B) A bell being hit and allowed to ring. C) A car engine running. D) A clock ticking. Show Answer Correct Answer: B) A bell being hit and allowed to ring. 13. Incident wave A) A wave that strikes a boundary between two media. B) In any periodic motion, the maximum distance an object moves from equilibrium. C) The high point of a wave. D) The distance between the focal point and the mirror or lens. Show Answer Correct Answer: A) A wave that strikes a boundary between two media. 14. Which is a tool that is used in medicine to view internal organs and pregnancy? A) Oscilloscope. B) Doppler. C) Ultrasound. D) Sonar. Show Answer Correct Answer: C) Ultrasound. 15. As the period decreases, the frequency: A) Increases. B) Decreases. C) Remains the same. D) None of the above. Show Answer Correct Answer: A) Increases. 16. Define antinodes in the context of standing waves. A) Antinodes are points where the wave is stationary. B) Antinodes in the context of standing waves are points of maximum amplitude. C) Antinodes are points of minimum amplitude. D) Antinodes are points of zero amplitude. Show Answer Correct Answer: B) Antinodes in the context of standing waves are points of maximum amplitude. 17. Which seismic wave can only travel through solids? A) Sound waves. B) Infrasound waves. C) Primary waves. D) Secondary waves. Show Answer Correct Answer: D) Secondary waves. 18. ..... is the midpoint in a wave where amplitude begins. A) Line of origin. B) Amplitude. C) Crest. D) Wavelength. Show Answer Correct Answer: A) Line of origin. 19. The maximum distance from the rest position is called A) Wavelength. B) Amplitude. C) Frequency. D) Speed. Show Answer Correct Answer: B) Amplitude. 20. When a wave or pulse travels from medium A to medium B and v$_{A}$ > v$_{B}$, it is inverted upon reflection A) B is equally denser than A. B) B is denser than A. C) A is denser than B. D) None. Show Answer Correct Answer: B) B is denser than A. 21. True or False:Longitudinal waves move side to side. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 22. Sound waves are described as A) Mechanical and transverse. B) Mechanical and longitudinal. C) Electromagnetic and transverse. D) Electromagnetic and longitudinal. Show Answer Correct Answer: B) Mechanical and longitudinal. 23. What do we call the part of a longitudinal wave that is when the waves are squeezed together? A) Compression. B) Rarefaction. C) Crest. D) Trough. Show Answer Correct Answer: A) Compression. 24. When two waves combine to form a new wave with a smaller amplitude, it is called A) Refraction. B) Constructive Interference. C) Resonance. D) Destructive Interference. Show Answer Correct Answer: D) Destructive Interference. 25. Which one of the following is an example of a mechanical wave? A) Radio. B) Seismic. C) Infrared. D) Ultraviolet. Show Answer Correct Answer: B) Seismic. ← 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