This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Physics Part Ii > Class 11 Physics (Part Ii) Chapter 16 Oscillations – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 16 Oscillations Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A mass-spring oscillating system undergoes SHM with maximum amplitude A. If the spring constant is doubled what effect will it produce on the mechanical energy of the system? A) The energy is decreased by factor two. B) It doesn't affect the energy. C) The energy is decreased by factor four. D) The energy is increased by factor two. Show Answer Correct Answer: D) The energy is increased by factor two. 2. ..... is the time needed to complete one cycle. A) Frequency. B) Period. C) Displacement. D) Amplitude. Show Answer Correct Answer: B) Period. 3. Which of the following statements about an object which performs simple harmonic motion is true? A) The acceleration is zero when the displacement is maximum. B) The acceleration is positive when the displacement is positive. C) The velocity is maximum when the displacement is zero. D) The velocity is directly proportional to the displacement. Show Answer Correct Answer: C) The velocity is maximum when the displacement is zero. 4. What is the time period of a simple pendulum dependent on? A) Length of the pendulum. B) Mass of the bob. C) Amplitude of oscillation. D) Gravitational force. Show Answer Correct Answer: A) Length of the pendulum. 5. What is the relationship between the frequency and the period of a simple harmonic motion? A) Inverse. B) Unrelated. C) Direct. D) Constant. Show Answer Correct Answer: A) Inverse. 6. An object is attached to a vertical sprig and bobs up and down between points A and B. Where is the object located when its kinetic energy is a maximum? A) Midway between A and B. B) At either A or B. C) One-fourth of the way between A and B. D) None of the above. Show Answer Correct Answer: A) Midway between A and B. 7. The motion which repeated at equal intervals of time A) Periodic motion. B) Transport motion. C) Curved motion. D) None. Show Answer Correct Answer: A) Periodic motion. 8. A simple pendulum with a length of 1 m oscillates on the surface of a hypothetical planet X. What is the surface gravity on the planet if the period of oscillations is 4 s? A) 11.2 m/s2. B) 2.5 m/s2. C) 3.7 m/s2. D) 1.6 m/s2. Show Answer Correct Answer: B) 2.5 m/s2. 9. A simple Pendulum has a period T on the earth. What is the Period T of this same pendulum on the moon, where the acceleration due to gravity is 1/6 that of the earth. A) T/sqrt6. B) Sqrt(6)*T. C) 6T. D) T/6. Show Answer Correct Answer: B) Sqrt(6)*T. 10. What is the term for the maximum displacement of an oscillating object from its equilibrium position? A) Amplitude. B) Frequency. C) Period. D) Wavelength. Show Answer Correct Answer: A) Amplitude. 11. A particles is in simple harmonic motion. When its displacement from a point O is x, the acceleration of the particle is-kx. The period T of the simple harmonic motion is A) $\frac{2\pi}{\sqrt{k}}$. B) $2\pi k$. C) $\frac{2\pi}{k}$. D) $2\pi\sqrt{k}$. Show Answer Correct Answer: A) $\frac{2\pi}{\sqrt{k}}$. 12. Oscillation amplitude refers to the: A) Maximum displacement from equilibrium. B) Rate of oscillation. C) Time taken for one complete oscillation. D) Angular displacement. Show Answer Correct Answer: A) Maximum displacement from equilibrium. 13. The formula to find the total time taken by a simple pendulum is: A) Distance 'multiplied by' Speed. B) Time period 'divided by' Number of oscillations. C) Time period 'multiplied by' Number of oscillations. D) None of the above. Show Answer Correct Answer: C) Time period 'multiplied by' Number of oscillations. 14. The number of complete oscillations produced by the oscillating body in one second. A) Periodic motion. B) Amplitude. C) Frequency. D) Periodic time). Show Answer Correct Answer: C) Frequency. 15. Define amplitude. A) Maximum displacement from equlibrium position. B) Total displacement. C) Maximum distance from where the object is released. D) None of the above. Show Answer Correct Answer: A) Maximum displacement from equlibrium position. 16. What is the measure of a wave from crest to crest? A) Node. B) Wavelength. C) Amplitude. D) Trough. Show Answer Correct Answer: B) Wavelength. 17. ..... is the distance of the oscillating object from the equilibrium position at a given instant A) Frequency. B) Displacement. C) Time. D) Period. Show Answer Correct Answer: B) Displacement. 18. Amplitude defines distance travelled between A) Mean Position to extreme position & back to mean position. B) Maximum displacement from mean position to either side. C) Total time taken to complete one oscillation. D) None of the above. Show Answer Correct Answer: B) Maximum displacement from mean position to either side. 19. What is the formula for angular frequency( $\omega$ A) $\omega=2\pi T$. B) $\omega=2\pi f$. C) $f=2\pi\omega$. D) $\omega=\frac{2\pi}{t}$. Show Answer Correct Answer: B) $\omega=2\pi f$. 20. A simple pendulum consists of a small metallic ball or a piece of stone suspended from a rigid stand by a thread. The metallic ball is called the ..... of the pendulum. A) Thread. B) Extreme position. C) Oscillation. D) Bob. Show Answer Correct Answer: D) Bob. 21. A body moves with simple harmonic motion of amplitude 0.90 m and period 8.9 s. What is the speed of the body when its displacement is 0.70 m? A) 0.80 m s$^{-}$$^{1}$. B) 0.40 m s$^{-}$$^{1}$. C) 0.11 m s$^{-}$$^{1}$. D) 0.22 m s$^{-}$$^{1 }$. Show Answer Correct Answer: B) 0.40 m s$^{-}$$^{1}$. 22. Marianne puts her favorite Backstreet Boys disc in her CD player. If it spins with a frequency of 1800 revolutions per minute, what is the period of spin of the compact disc? A) 30 s. B) 400 s. C) 0.033 s. D) 1800 s. Show Answer Correct Answer: C) 0.033 s. 23. A spring extends by 1.00 cm when an object of a mass is hung vertically from the spring. The mass is then set into vertical oscillation. What is the period of oscillation? A) 0.200 s. B) 0.161 s. C) 6.34 s. D) 1.27 s. Show Answer Correct Answer: A) 0.200 s. 24. What is the frequency of a pendulum A) How many times the pendulum swings before it stops. B) How many times the pendulum passes a point in one second. C) One complete cycle (complete to and fro motion). D) One complete cycle bouncing up and down. Show Answer Correct Answer: B) How many times the pendulum passes a point in one second. 25. The length of the second pendulum is given by A) 1 m. B) 2 m. C) 0.5 m. D) 3.14 m. Show Answer Correct Answer: A) 1 m. 26. A system exhibiting SHM must possess ..... A) Elasticity as well as inertia. B) Elasticity, inertia and external force. C) Elasticity only. D) Inertia only. Show Answer Correct Answer: A) Elasticity as well as inertia. 27. What is resonance in oscillations? A) Small amplitude oscillation. B) No oscillation at all. C) Constant frequency oscillation. D) Large amplitude oscillation. Show Answer Correct Answer: D) Large amplitude oscillation. 28. What is Hooke's Law? A) Force is inversely proportional to displacement. B) Force is inversely proportional to the square of displacement. C) Force is directly proportional to displacement. D) Force is directly proportional to the square of displacement. Show Answer Correct Answer: C) Force is directly proportional to displacement. 29. The driving frequency of an oscillating system refers to: A) The frequency at which it oscillates when driven by an external force. B) The resonant frequency of the system. C) The frequency at which damping occurs. D) The frequency at which it oscillates without any external force. Show Answer Correct Answer: A) The frequency at which it oscillates when driven by an external force. 30. What is the main difference between free oscillation and forced oscillation? A) Free oscillation occurs without external force, forced oscillation occurs with external force. B) Free oscillation has variable frequency, forced oscillation has constant frequency. C) Free oscillation has maximum amplitude, forced oscillation has minimum amplitude. D) Free oscillation does not occur in nature. Show Answer Correct Answer: A) Free oscillation occurs without external force, forced oscillation occurs with external force. 31. An object is attached to a vertical spring and bobs up and down between points A and B. Where is the object located when its elastic potential energy is a maximum? A) At either A or B. B) Midway between A and B. C) One-third of the way between A and B. D) One-fourth of the way between A and B. Show Answer Correct Answer: A) At either A or B. 32. The waveform of simple harmonic motion is A) Sine wave. B) Square wave. C) Pulsed wave. D) None of these. Show Answer Correct Answer: A) Sine wave. 33. In a simple harmonic motion, the restoring force is proportional to which of the following? A) Mass. B) Displacement. C) Velocity. D) Acceleration. Show Answer Correct Answer: B) Displacement. 34. THe ratio of maximum acceleration to the maximum velocity of a particle performing S.H.M is equal to A) Amplitude. B) Angular velocity. C) Square of angular velocity. D) Square of amplitude. Show Answer Correct Answer: B) Angular velocity. 35. The amplitude of a particle performing SHM is doubled. How does it affect the period of the particle? A) The period is halved. B) The period becomes zero. C) The period is doubled. D) The period remains the same. Show Answer Correct Answer: D) The period remains the same. 36. A particle is in simple harmonic motion. The amplitude of the motion is 3.0 m and the frequency is 20 Hz. At time t=0, the displacement of the particle from the equillibrium position is x=+3.0 m. Which equation correctly represents the variation of displacement x with time t? A) X=3.0 sin $20\pi t$. B) X=3.0 sin $40\pi t$. C) X=3.0 cos $40\pi t$. D) X=3.0 cos $20\pi t$. Show Answer Correct Answer: C) X=3.0 cos $40\pi t$. 37. A mass-spring oscillating system undergoes SHM with a period T. What is the period ofthe system if the amplitude is doubled? A) T/2. B) 2T. C) T. D) 4T. Show Answer Correct Answer: C) T. 38. A spring of force constant k is cut into two equal parts, which are then connected in parallel to each other. The force constant of the combination is A) 4k. B) 2k. C) K/2. D) K. Show Answer Correct Answer: A) 4k. 39. The time period of a simple pendulum is 1.6 s. Find the total time taken by it in 28 oscillations. A) 0.448 s. B) 448 s. C) 44.8 s. D) 4.48 s. Show Answer Correct Answer: C) 44.8 s. 40. Which of the following is an example of forced oscillation? A) A child swinging on a swing being pushed periodically. B) A pendulum swinging freely. C) A mass-spring system oscillating in vacuum. D) A guitar string vibrating after being plucked. Show Answer Correct Answer: A) A child swinging on a swing being pushed periodically. 41. The ratio between the time of an amplitude and the time of a complete oscillation is ..... A) 1/2. B) 4/1. C) 1/4. D) 2/1. Show Answer Correct Answer: C) 1/4. 42. Group velocity is given by A) $\sqrt{\frac{T_0}{\rho_0}}$. B) $\frac{\omega}{k}$. C) $v_0k$. D) $\frac{\text{d}\omega}{\text{d}k}$. Show Answer Correct Answer: D) $\frac{\text{d}\omega}{\text{d}k}$. 43. What is the highest point of a wave? A) Trough. B) Equilbrium. C) Crest. D) Amplitude. Show Answer Correct Answer: C) Crest. 44. The frequency of an oscillating system is 5 Hz. What is its period? A) 0.2 seconds. B) 0.5 seconds. C) 5 seconds. D) 2 seconds. Show Answer Correct Answer: A) 0.2 seconds. 45. How is the period of an oscillation related to its frequency? A) Unrelated. B) Directly proportional. C) Squared. D) Inversely proportional. Show Answer Correct Answer: D) Inversely proportional. 46. A uniform ring of radius r is pivoted about an axis pass-ing through O on the circumference of the ring and perpendicular to the plane of ring. The time period of small oscillation is A) $2\pi\sqrt[]{\frac{r}{g}}$. B) $2\pi\sqrt[]{\frac{3r}{2g}}$. C) $2\pi\sqrt[]{\frac{2r}{g}}$. D) $2\pi\sqrt[]{\frac{r}{2g}}$. Show Answer Correct Answer: C) $2\pi\sqrt[]{\frac{2r}{g}}$. 47. The lowest point of a wave is called ..... A) Amplitude. B) Crest. C) Wavelength. D) Trough. Show Answer Correct Answer: D) Trough. 48. Damping is a process in which energy A) Remains constant. B) Increases with time. C) First decrease then increase. D) Decreases with time. Show Answer Correct Answer: D) Decreases with time. 49. Which of the following is an example of a damped oscillation? A) A tuning fork in a vacuum. B) A swing in air. C) A mass on a frictionless spring. D) A pendulum in a vacuum. Show Answer Correct Answer: B) A swing in air. 50. When resonance occurs, what happens to the amplitude of the oscillation? A) The amplitude remains unchanged. B) The amplitude reaches its minimum value. C) The amplitude reaches its maximum value. D) The amplitude is zero. Show Answer Correct Answer: C) The amplitude reaches its maximum value. 51. Which of the following statements is/are true for a simpleharmonic oscillator? A) Force acting is directly proportional to displacement from the mean position and is directed towards mean position. B) Motion is non-periodic. C) Acceleration of the oscillator is constant. D) The velocity is constant. Show Answer Correct Answer: A) Force acting is directly proportional to displacement from the mean position and is directed towards mean position. 52. According to Kepler's discoveries, planets orbit around the Sun: A) In an oval shape. B) In a rectangular shape. C) In perfect circles. D) In an ellipse. Show Answer Correct Answer: D) In an ellipse. 53. Explain how resonance can be beneficial in certain applications. A) Decreasing vibrations and hindering communication. B) Amplifying vibrations and improving communication. C) Creating instability and causing damage. D) Causing destructive interference and reducing efficiency. Show Answer Correct Answer: B) Amplifying vibrations and improving communication. 54. An object is attached to a vertical spring and bobs up and down between points A and B. Where is the object located when its kinetic energy is a maximum? A) At either A or B. B) Midway between A and B. C) One-third of the way between A and B. D) One-fourth of the way between A and B. Show Answer Correct Answer: B) Midway between A and B. 55. ..... is the type of motion that repeats itself in equal time intervals. A) Displacement. B) Frequency. C) Oscillations. D) Period. Show Answer Correct Answer: C) Oscillations. 56. If the wavelength of a wave is tripled, the frequency will ..... A) Increase. B) Decrease. C) The frequency will stay the same. D) None of the above. Show Answer Correct Answer: B) Decrease. 57. A block attached to an ideal spring undergoes simple harmonic motion about its equilibrium position (x = 0) with amplitude A. What fraction of the total energy is in the form of kinetic energy when the block is at position(x =1/2 A)? A) 1/2. B) 1/3. C) 2/3. D) 3/8. E) 3/4. Show Answer Correct Answer: E) 3/4. 58. If relaxation time is 3 sec and quality factor is 6, in case of damped oscillation, then angular frequency is ..... rad/a. A) 9. B) 18. C) 0.5. D) 2. Show Answer Correct Answer: D) 2. 59. What curve is produced form a Velocity vs Time graph (when the oscillator starts from rest position)? A) -Cos. B) Sin. C) Cos. D) -Sin. Show Answer Correct Answer: C) Cos. 60. The maximum displacement from equilibrium of a particle is 1 m and its maximum acceleration is 1.57 m s$^{-2}$. The period of the particle will be A) 0.20 s. B) 1.25 s. C) 0.63 s. D) 5.03 s. Show Answer Correct Answer: D) 5.03 s. Next →Related QuizzesScience QuizzesClass 11 QuizzesClass 11 Physics (Part Ii) Chapter 16 Oscillations Quiz 2Class 11 Physics (Part Ii) Chapter 16 Oscillations Quiz 3Class 11 Physics (Part Ii) Chapter 16 Oscillations Quiz 4Class 11 Physics (Part Ii) Chapter 11 Mechanical Properties Of Solids QuizClass 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter QuizClass 11 Physics (Part Ii) Chapter 14 Thermodynamics QuizClass 11 Physics (Part Ii) Chapter 15 Kinetic Theory QuizClass 11 Physics (Part Ii) Chapter 17 Waves Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books