This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 10 Oscillations And Waves – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 10 Oscillations And Waves Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. True or False:A converging lens can form both real and virtual images. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. If the frequency of a simple harmonic oscillator is doubled, what happens to its period? A) It is doubled. B) It is halved. C) It remains the same. D) It becomes four times as large. Show Answer Correct Answer: B) It is halved. 3. Which phenomenon explains the bending of waves around obstacles? A) Reflection. B) Refraction. C) Diffraction. D) Interference. Show Answer Correct Answer: C) Diffraction. 4. The following are the characteristics of longitudinal waves: A) Consists of crests and throughs. B) One of the example if the vibration of strings. C) The vibration is parallel to the direction of propagation. D) Can propagate without any mediums. Show Answer Correct Answer: A) Consists of crests and throughs. 5. When the oscillator move towars right, the restoring force acts towards left, giving it a ..... acceleration. A) Positive. B) Negative. C) Zero. D) None of the above. Show Answer Correct Answer: B) Negative. 6. Which one of the following statements is TRUE when an object performs simple harmonic motion about a central point O? A) The acceleration is always away from O. B) The acceleration and velocity are always in opposite directions. C) The acceleration and the displacement from O are always in the same direction. D) The graph of acceleration against displacement is a straight line. Show Answer Correct Answer: D) The graph of acceleration against displacement is a straight line. 7. Un bambino si trova su una giostra in movimento. Chi lo vede muoversi di moto armonico? A) Un altro bambino che si trova sulla giostra. B) Il padre, che si trova in piedi a una certa distanza dalla giostra. C) Un uccello che sta volando al di sopra della giostra. D) Il bambino stesso. Show Answer Correct Answer: B) Il padre, che si trova in piedi a una certa distanza dalla giostra. 8. When two waves combine to form a new wave with a larger amplitude, it is called A) Diffraction. B) Destructive Interference. C) Resonance. D) Constructive Interference. Show Answer Correct Answer: D) Constructive Interference. 9. When is the pendulum at maximum velocity A) At its lowest point. B) At its highest point. C) It moves at a constant velocity. D) It is at rest. Show Answer Correct Answer: A) At its lowest point. 10. A wave that requires a medium through which to travel A) Longitudinal wave. B) Transverse wave. C) Standing wave. D) Mechanical wave. Show Answer Correct Answer: D) Mechanical wave. 11. A wave that moves the medium in a direction perpendicular to the direction in which the wave travels. A) Longitudinal wave. B) Transverse wave. C) Wave length. D) No work done. Show Answer Correct Answer: B) Transverse wave. 12. A wave carries ..... ? A) Energy only. B) Matter only. C) The matter carries the energy. D) Neither. Show Answer Correct Answer: A) Energy only. 13. The interference that occurs when waves combine to make a wave with a larger amplitude. A) Constructive interference. B) Destructive interference. C) Wave amplification. D) Superposition. Show Answer Correct Answer: A) Constructive interference. 14. A string of length 2.0 meters is fixed at both ends. It is vibrating in its fundamental mode, creating a standing wave pattern. If the speed of the wave along the string is 50 m/s, what is the frequency of the wave? A) 12500 Hz. B) 125 Hz. C) 1.25 Hz. D) 12.5 Hz. Show Answer Correct Answer: D) 12.5 Hz. 15. How would you describe the amplitude of a transverse 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: A) From centerline to crest or trough. 16. The wave can propagate without any medium. It is the characteristic of these waves, except ..... A) Light. B) Electromagnetic wave. C) Infrared. D) Sound wave. Show Answer Correct Answer: D) Sound wave. 17. A pendulum is 0.75 meters long and has a period of 4.17 seconds. The Pendulum is on an unknown planet. What is the acceleration of gravity of the Unknown Planet? A) 9.8 m/s$_{2}$. B) 3.4 m/s$_{2}$. C) 1.7 m/s$_{2}$. D) Greater than 9.8 m/s$_{2}$. Show Answer Correct Answer: C) 1.7 m/s$_{2}$. 18. An object moves with simple harmonic motion with amplitude A. What is the position x of the object when the kinetic energy of the object equals twice its potential energy? A) $\frac{1}{\sqrt{3}}a$. B) 31a Mathematical EquivalenceON. C) All the above. D) None of the above. Show Answer Correct Answer: A) $\frac{1}{\sqrt{3}}a$. 19. The number of cycles or oscillation made in one second is defined as A) Time taken. B) Period. C) Frequency. D) Amplitude. Show Answer Correct Answer: C) Frequency. 20. All waves transmit ..... A) Energy. B) Particles. C) Matter. D) Sound. Show Answer Correct Answer: A) Energy. 21. Which would have the longest period?Pendulum A:A 200-g mass attached to a 1.0-m length stringPendulum B:A 400-g mass attached to a 0.5-m length string A) Pendulum A. B) Pendulum B. C) A & B are the same. D) None of the above. Show Answer Correct Answer: A) Pendulum A. 22. The distance between the two successive crests on a wave is called ..... A) Amplitude. B) Frequency. C) Wavelength. D) Speed. Show Answer Correct Answer: C) Wavelength. 23. Natural frequency is ..... A) The frequency an object vibrates at when disturbed by an force which is not periodic. B) When an object is forced to vibrate at the same frequency as a periodic force applied to it. C) An increase in amplitude of oscillations over time. D) A force applied at regular intervals. Show Answer Correct Answer: A) The frequency an object vibrates at when disturbed by an force which is not periodic. 24. Fill in the blank:The Rayleigh criterion for the minimum resolvable angle $\theta$ $D$ $\lambda$ $\theta = $ A) $1.22 \frac{\lambda}{D}$. B) $\frac{\lambda}{D}$. C) $2.44 \frac{\lambda}{D}$. D) $\frac{D}{\lambda}$. Show Answer Correct Answer: A) $1.22 \frac{\lambda}{D}$. 25. A wave has a frequency of 440 Hz and a wavelength of 0.75 m. What is its speed? A) 330 m/s. B) 440 m/s. C) 550 m/s. D) 586.7 m/s. Show Answer Correct Answer: A) 330 m/s. ← PreviousNext →Related QuizzesClass 11 Physics (Part I) Chapter 10 Oscillations And Waves Quiz 1Class 11 Physics (Part I) Chapter 10 Oscillations And Waves Quiz 2Class 11 Physics (Part I) Chapter 10 Oscillations And Waves Quiz 4Class 11 Physics (Part I) Chapter 10 Oscillations And Waves Quiz 5Class 11 Physics (Part I) Chapter 10 Oscillations And Waves Quiz 6Class 11 Physics (Part I) Chapter 10 Oscillations And Waves Quiz 7Class 11 Physics (Part I) Chapter 10 Oscillations And Waves Quiz 8Class 11 Physics (Part I) Chapter 10 Oscillations And Waves Quiz 9Class 11 Physics (Part I) Chapter 10 Oscillations And Waves Quiz 10Class 11 Physics (Part I) Chapter 10 Oscillations And Waves Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books