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Class 11 Physics (Part Ii) Chapter 16 Oscillations Quiz 3 (25 MCQs)

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1. Damping is a process in which energy
2. Which of the following is an example of a damped oscillation?
3. When resonance occurs, what happens to the amplitude of the oscillation?
4. Which of the following statements is/are true for a simpleharmonic oscillator?
5. According to Kepler's discoveries, planets orbit around the Sun:
6. Explain how resonance can be beneficial in certain applications.
7. 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?
8. ..... is the type of motion that repeats itself in equal time intervals.
9. If the wavelength of a wave is tripled, the frequency will .....
10. 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)?
11. If relaxation time is 3 sec and quality factor is 6, in case of damped oscillation, then angular frequency is ..... rad/a.
12. What curve is produced form a Velocity vs Time graph (when the oscillator starts from rest position)?
13. 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
14. When the damping force increases, what happens to the amplitude of the forced oscillation?
15. In the equation f =-kx, the unit of k is .....
16. Which of the following physical quantity is unit less?
17. How does phase shift affect the behavior of an oscillation?
18. ..... is the maximum displacement from the equilibrium position
19. The periodic time of an oscillating body which makes 240 oscillations in one minute = .....
20. A simple harmonic oscillator takes 4.8 s to undergo five complete vibrations. What is the frequency of 1cycle?
21. The total mechanical energy of a simple harmonic oscillating system is
22. The period of a pendulum is 10 s. What is its frequency?
23. The period of a simple pendulum will be doubled if
24. Frieda the fly flaps her wings back and forth 100 times each second. The period of her wings flapping is:
25. When a forced oscillation is applied to a system, what happens to the amplitude of the oscillation?
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