This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 10 Oscillations And Waves – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 10 Oscillations And Waves Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A wave that oscillates in a fixed location A) Standing wave. B) Sitting wave. C) Longitudinal wave. D) Transverse wave. Show Answer Correct Answer: A) Standing wave. 2. In a system undergoing damped oscillations, what causes the oscillations to lose amplitude? A) Dissipative forces. B) Periodic forces. C) Damping forces. D) Resonant forces. Show Answer Correct Answer: A) Dissipative forces. 3. A wave in which the particles of the medium vibrate parallel to the direction of wave motion A) Transverse wave. B) Longitudinal wave. C) Standing wave. D) Sitting wave. Show Answer Correct Answer: B) Longitudinal wave. 4. What is the relationship between frequency and period? A) They are unrelated. B) Frequency is the inverse of period. C) Frequency is double the period. D) Frequency is half the period. Show Answer Correct Answer: B) Frequency is the inverse of period. 5. Jason heard a thunder 2 seconds after he saw the lightning. If the speed of sound is 300 m/s, what is the distance between Jason and the lightning? A) 600 m. B) 302 m. C) 300 m. D) 150 m. Show Answer Correct Answer: A) 600 m. 6. A wave in which the oscillation are parallel to the direction of wave travel is a ..... A) Transverse wave. B) Parallel wave. C) Longitudinal wave. D) Oscillating wave. Show Answer Correct Answer: C) Longitudinal wave. 7. The result of multiplying the frequency of an oscillating body by its periodic time equals ..... A) $\frac{1}{2}$. B) $\frac{1}{3}$. C) 1. D) $\frac{1}{4}$. Show Answer Correct Answer: C) 1. 8. Can two astronauts on Mars talk to each other without a communication device? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 9. Displacement is ..... A) The position of the particles relative to the mean or equilibrium position. B) The maximum displacement of the particles from the mean or equilibrium position. C) The number of wave oscillations per second. D) The distance between two points on a wave that have the same displacement from the equilibrium. Show Answer Correct Answer: A) The position of the particles relative to the mean or equilibrium position. 10. For a system in simple harmonic motion, which of the following is the number of cycles or vibrations in one second? A) Amplitude. B) Period. C) Frequency. D) Revolution. Show Answer Correct Answer: C) Frequency. 11. What is the definition of wavelength? A) The distance between two points in a wave. B) The distance along the wave in its direction of travel between consecutive points where the oscillations are in phase. C) The time it takes for one complete oscillation. D) The speed of the wave. Show Answer Correct Answer: B) The distance along the wave in its direction of travel between consecutive points where the oscillations are in phase. 12. What is the key characteristic of energy levels in an atom? A) They are random. B) They are fixed and allowed values. C) They are always increasing. D) They are always decreasing. Show Answer Correct Answer: B) They are fixed and allowed values. 13. The period of an ocean wave is 10 s. What is its frequency? A) 10 Hz. B) 1 Hz. C) 0.5 Hz. D) 0.1 Hz. Show Answer Correct Answer: D) 0.1 Hz. 14. A wave pulse is created in a Slinky. It takes 1.5 seconds to travel the length of the Slinky. If the Slinky is 8 meters long, what is the speed of the wave? A) $5.33$. B) 5.33 Mathematical EquivalenceON. C) All the above. D) None of the above. Show Answer Correct Answer: A) $5.33$. 15. What is the effect of increasing the frequency of a wave on its wavelength? A) The wavelength remains the same. B) The wavelength decreases. C) The wavelength increases. D) The wavelength doubles. Show Answer Correct Answer: B) The wavelength decreases. 16. A 0.35kg block is attached to a spring, undergoes simple harmonic motion and has a period of 0.85s. What is the spring constant of the spring A) 19.1 N/m. B) 13.2 N/m. C) 0.95 N/m. D) 3.34 N/m. Show Answer Correct Answer: A) 19.1 N/m. 17. As the pendulum swings back and forth, its velocity is ..... A) Constant. B) Constantly changing. C) Constantly increasing. D) Constantly decreasing. Show Answer Correct Answer: B) Constantly changing. 18. TWO PARTS:A wave in Lake Michigan arrives on the shore every 5 seconds. It's period is ..... and its frequency is ..... (*Answers in that order) A) 5 seconds; 0.2 hertz. B) 0.2 seconds; 2 hertz. C) 5 seconds; 50 hertz. D) 50 seconds; 0.2 hertz. Show Answer Correct Answer: A) 5 seconds; 0.2 hertz. 19. What happens to the wavelength of light as it enters a medium with a higher refractive index? A) It decreases. B) It increases. C) It doubles. D) It remains the same. Show Answer Correct Answer: A) It decreases. 20. Which of the following is NOT a necessary condition for simple harmonic motion (SHM)? A) The acceleration is proportional to the displacement. B) The acceleration is directed opposite to the displacement. C) The restoring force obeys Hooke's Law. D) The frequency depends on the amplitude. Show Answer Correct Answer: D) The frequency depends on the amplitude. 21. True or False:Mechanical waves require a medium to propagate. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 22. What is the effect of refraction on the direction of a light wave? A) It bends towards the normal. B) It bends away from the normal. C) It continues in the same direction. D) It reverses direction. Show Answer Correct Answer: A) It bends towards the normal. 23. According to your lab what variable doesn't affect the period of the pendulum? A) Angle. B) Mass. C) String length. D) All variables (angle, mass, and string length). Show Answer Correct Answer: B) Mass. 24. If a guitar string has a fundamental frequency of 500 Hz, which one of the following frequencies can set the string into resonant vibration? A) 250 Hz. B) 750 Hz. C) 1500 Hz. D) 1750 Hz. Show Answer Correct Answer: C) 1500 Hz. 25. A pendulum has a time period of 0.4 s. What is its frequency? A) 0.4 Hz. B) 1.0 Hz. C) 2.5 Hz. D) 4.0 Hz. Show Answer Correct Answer: C) 2.5 Hz. ← 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 3Class 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 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