Oscillations Class 11 MCQ is one of the best strategies to prepare for the CBSE Class 11 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students can improve their speed and accuracy by doing more MCQ on Oscillations Class 11, which will help them all through their board test.
Oscillations Class 11 MCQ Questions with Answer
Class 11 Physics MCQ with answers are given here to Chapter 14 Oscillations. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 11 Physics syllabus. By Solving these Class 11 MCQs, you will be able to analyze all of the concepts quickly in the chapter and get ready for the Class 11 Annual exam.
Learn Class 11 Oscillations MCQs with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 11 Physics Oscillations MCQ with answers given below
Question 1. The displacement of a particle in simple harmonic motion in one time period is [A = amplitude]
(b) 2 A
(c) 4 A
Question 2. The equation of SHM is y = a Sin (2 pnt + a), then its phase at time ‘t’ is
(c) 2pnt + α
Question 3. In SHM, the acceleration is directly proportional to
(b) linear velocity
Question 4. A particle moves in a circular path with a uniform speed. Its motion is
(c) simple harmonic
(d) angular simple harmonic
Question 5. For a body executing simple harmonic motion, which parameter comes out to be non-periodic ?
(d) None of these
Question 6. A system exhibiting SHM must possess
(a) inertia only
(b) elasticity as well as inertia
(c) elasticity, inertia and an external force
(d) elasticity only
Question 7. Select the incorrect statement(s) from the following.
I. A simple harmonic motion is necessarily periodic.
II. A simple harmonic motion may be oscillatory
III. An oscillatory motion is necessarily periodic
(a) I only
(b) II and III
(c) I and III
(d) I and II
Question 8. The displacement of a particle is given by r = A(i coswt + jsinwt) r r r . The motion of the particle is
(a) simple harmonic
(b) on a straight line
(c) on a circle
(d) with constant acceleration.
Question 9.The motion which is not simple harmonic is
(a) vertical oscillations of a spring
(b) motion of simple pendulum
(c) motion of a planet around the Sun
(d) oscillation of liquid column in a U-tube
Question 10. A particle moves on the X-axis according to the equation x = A cos (wt + kx) + B sin (wt + kx). The motion is simple harmonic with amplitude
(c) A + B
(d) A2 + B2
Question 11. The phase difference between the instantaneous velocity and acceleration of a particle executing simple harmonic motion is
Question 12. Which of the following is a simple harmonic motion?
(a) Particle moving through a string fixed at both ends.
(b) Wave moving through a string fixed at both ends.
(c) Earth spinning about its axis.
(d) Ball bouncing between two rigid vertical walls.
Question 13. A particle of mass 1 kg is moving in S.H.M. with an amplitude 0.02 and a frequency of 60 Hz. The maximum force acting on the particle is
(a) 144 Π2
(b) 188 Π2
(c) 288 Π2
(d) None of these
Question 14. Suppose a tunnel is dug along a diameter of the earth. A particle is dropped from a point, a distance h directly above the tunnel, the motion of the particle is
(a) simple harmonic
Question 15. The graph plotted between the velocity and displacement from mean position of a particle executing SHM is
(d) straight line
Question 16. The ratio of maximum acceleration to maximum velocity in a simple harmonic motion is 10 s–1. At, t = 0 the displacement is 5 m. The initial phase is 4 p . What is the maximum acceleration?
(a) 500 m/s2
(b) 500 2 m/s2
(c) 750 m/s2
(d) 750 2 m/s2
Question 17. For a particle moving according to the equation x = a cos p t, the displacement in 3 s is
Question 18. A body executing linear simple harmonic motion has a velocity of 3 m/s when its displacement is 4 cm and a velocity of 4 m/s when its displacement is 3 cm. What is the amplitude of oscillation ?
(a) 5 cm
(b) 7.5 cm
(c) 10 cm
(d) 12.5 cm
Question 19. The total energy of a particle executing S.H.M. is proportional to
(a) displacement from equilibrium position
(b) frequency of oscillation
(c) velocity in equilibrium position
(d) square of amplitude of motion
Question 20. The amplitude of a particle executing SHM is 4 cm. At the mean position the speed of the particle is 16 cm/sec. The distance of the particle from the mean position at which the speed of the particle becomes 8 √3 cm/s, will be
(c) 1 cm
(d) 2 cm
Whoever needs to take the CBSE Class 11 Board Exam should look at this MCQ. To the Students who will show up in CBSE Class 11 Physics Board Exams, It is suggested to practice more and more questions. Aside from the sample paper you more likely had solved. These Oscillations Class 11 MCQ are ready by the subject specialists themselves.
Question 21. Two particles are oscillating along two close parallel straight lines side by side, with the same frequency and amplitudes. They pass each other, moving in opposite directions when their displacement is half of the amplitude. The mean positions of the two particles lie on a straight line perpendicular to the paths of the two particles. The phase difference is
Question 22. Assertion : The graph of total energy of a particle in SHM w.r.t. position is a straight line with zero slope. Reason : Total energy of particle in SHM remains constant throughout its otion.
(a) Assertion is correct, reason is correct; reason is a correct explanation for assertion.
(b) Assertion is correct, reason is correct; reason is not a correct explanation for assertion
(c) Assertion is correct, reason is incorrect
(d) Assertion is incorrect, reason is correct.
Question 23. If a is the amplitude of SHM, then K.E. is equal to the P.E. at ………… distance from the mean position.
Question 24. Which of the following is true about total mechanical energy of SHM ?
(a) It is zero at mean position.
(b) It is zero at extreme position.
(c) It is always zero.
(d) It is never zero.
Question 25. A body executes simple harmonic motion. The potential energy (P.E.), the kinetic energy (K.E.) and total energy (T.E.) are measured as a function of displacement x. Which of the following statement is true?
(a) P.E. is maximum when x = 0.
(b) K.E. is maximum when x = 0.
(c) T.E. is zero when x = 0.
(d) K.E. is maximum when x is maximum.
Question 26. In S.H.M. the ratio of kinetic energy at mean position to the potential energy when the displacement is half of the amplitude is
Question 27. Starting from the origin a body oscillates simple harmonically with a period of 2 s. After what time will its kinetic energy be 75% of the total energy?
Question 28. A mass of 4 kg suspended from a spring of force constant 800 N m–1 executes simple harmonic oscillations. If the total energy of the oscillator is 4 J, the maximum acceleration (in s–2) of the mass is
Question 29. If < E > and < U > denote the average kinetic and the average potential energies respectively of mass describing a simple harmonic motion, over one period, then the correct relation is
(a) < E > = < U >
(b) < E > = 2< U >
(c) < E > = –2< U >
(d) < E > = – < U >
Question 30. A particle is executing simple harmonic motion with amplitude A. When the ratio of its kinetic energy to the potential energy is 1 , 4 its displacement from its mean position is
(a) 2√5 A
Question 31. A silver atom in a solid oscillates in simple harmonic motion in some direction with a frequency of 1012/sec. What is the force constant of the bonds connecting one atom with the other? (Mole wt. of silver = 108 and Avagadro number = 6.02 ×1023 gm mole –1)
(a) 6.4 N/m
(b) 7.1 N/m
(c) 2.2 N/m
(d) 5.5 N/m
Question 32. A pendulum is hung from the roof of a sufficiently high building and is moving freely to and fro like a simple harmonic oscillator. The acceleration of the bob of the pendulum is 20 m/s2 at a distance of 5 m from the mean position. The time period of oscillation is
(a) 2∏ s
(b) ∏ s
(c) 1 s
(d) 2 s
Question 33. The time period of a seconds pendulum is 2 sec.
The spherical bob which is empty from inside has a mass 50 gram, this now is replaced by another solid of same radius but have different mass of 100 gram. The new time period will be
(a) 2 sec
(b) 8 sec
(c) 4 sec
(d) 1 sec
Question 34. A particle of mass m executes simple harmonic motion with amplitude a and frequency n. The average kinetic energy during its motion from the position of equilibrium to the end is
(c) 1/4 ma2v2
(d) 4 ma2v2
Question 35. Two oscillators are started simultaneously in same phase.
After 50 oscillations of one, they get out of phase by p, that is half oscillation. The percentage difference of frequencies of the two oscillators is nearest to
Question 36. A pendulum is swinging in an elevator. Its period will be greatest when the elevator is
(a) moving upwards at constant speed
(b) moving downwards
(c) moving downwards at constant speed
(d) accelerating downwards
Question 37. If a particle takes 0.5 sec to reach position of minimum velocity from previous such position, then
(a) T = 6 sec, n = 1/6 Hz
(b) T = 2 sec, n = 1 Hz
(c) T = 3 sec, n = 3 Hz
(d) T = 1 sec, n = 1 Hz
Question 38. The total energy of the particle executing simple harmonic motion of amplitude A is 100 J. At a distance of 0.707 A from the mean position, its kinetic energy is
(a) 25 J
(b) 50 J
(c) 100 J
(d) 12.5 J
Question 39. A simple harmonic motion has an amplitude A and time period T. The time required by it to travel from x = A to x = A/2 is
Question 40. When the displacement of a particle executing simple harmonic motion is half of its amplitude, the ratio of its kinetic energy to potential energy is
(a) 1 : 3
(b) 2 : 1
(c) 3 : l
(d) l : 2
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Frequently Asked Question (FAQs)
How many MCQ questions are there in Class 11 chapter 14 Physics?
In Class 11 chapter 14 Physics, we have provided 35 Important MCQ Questions, But in the future, we will add more MCQs so that you can get good marks in the Class 11 exam.
Can we score good marks in Class 11 Physics with the help of Oscillations MCQ Questions?
Yes, MCQ Question is one of the best strategies to make your preparation better for the CBSE Board Exam. It also helps to know the student’s basic understanding of each chapter. So, You can score good marks in the Class 11 Physics exam.