Class 11 Notes Physics Oscillation Mcqs – The motion of a particle that repeats itself on the same path in equal time intervals is called harmonic motion. example:
The movement of a particle in harmonic motion can be mathematically expressed as a sine (or) cosine function so that harmonic motion can also be called harmonic motion.
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In physics and mechanics, simple harmonic motion (sometimes abbreviated SHM) is a special type of periodic motion where the feedback force on a moving object is directly proportional to the magnitude of the object’s displacement and acts toward the object’s equilibrium position. .
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The motion of a particle along a straight line so that the acceleration is always directed towards a fixed point on its path and is directly proportional to the displacement from that fixed point is called simple harmonic motion.
Simple harmonic motion is harmonic motion, but all harmonic motion need not be simple harmonic motion.
Simple harmonic motion can be defined as oscillatory motion in which the acceleration of the particles at any position is directly related to the displacement from the mean position. This is a special case of oscillating motion.
All simple harmonic motions are oscillatory and periodic, but not all oscillatory motions are SHM. Oscillatory motion is also known as harmonic motion of all oscillatory motions, most importantly Simple Harmonic Movement (SHM).
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In this type of oscillatory motion, displacement, velocity, acceleration and power vary (w.r.t time) in a manner that can be explained by sine (or) cosine functions collectively called sinusoids.
The maximum displacement of the vibrating particle from the mean position is called ‘A’ (or) a. The dimension displayed by is called
It represents the position and direction of the vibrating particle at a particular time at time t = 0, the phase of the particle is called the initial phase, i.e. ‘ϕ’, also called ‘epoch’.
Follow NCERT Solutions for Class 11 Physics prepared by Waleh Physics Expert Faculty. If a student needs to take an online test to check their concepts or understanding, then they can go for the 11th grade physics quiz. Class 11 Physics MCQs Chapter – 14 Oscillations for Board Exams with Answer Key PDF, students can follow these questions given below. Download Class 11 Physics MCQs Chapter – 14 Oscillation mcqs with English answers and prepare for the exam and help students to understand the concept well. Below we have provided Physics Class 11 MCQs with answers to help students complete the entire schedule and practice the multiple choice questions presented here with solutions. Students should go through all the topics given in your CBSE class 11 physics textbooks and then attempt the MCQ questions. Class 11 Physics MCQs Chapter – 14 Oscillations is very important for IIT JEE and NEET or any other competitive exam preparation.
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Class 11 Physics MCQs Chapter – 14 By practicing oscillating questions, students will be able to develop different strategies to solve Class 11 Physics MCQs. While preparing for Class 11 Physics MCQs Chapter – 14 Oscillations, one should read the questions carefully and then answer them. This is why students can use multiple choice questions in class 11 exam preparation to get a handle on all the important concepts. Class 11 Physics MCQs Chapter – 14 Oscillations with Question Answers Your score can be seen while taking the test after selecting the correct answers to the questions. You can also download class notes here
4. A particle performs simple harmonic motion between x = – A and x = + A. The time taken to travel from O to A/2 is T1 and T1, and from A/2 to A is T2. Then
5. The equation of SHM is y = sin (2 pnt + α), then its phase at time ‘t’
8. The displacement of a harmonically moving particle is given by y y = 4 cos² (t/2) sin (1000t). This expression can be considered as the result of the superposition of the following number of harmonic motions:
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13. A block of mass 200 g acting under the influence of a spring of spring constant k = 90 N m-1 and damping constant b = 40 g s-1. The time required for its amplitude to decrease to half its initial value is (Given ln (1/2) = –0.693)
14. The ball of a simple pendulum is a spherical hollow ball filled with water. The plug at the bottom of the oscillating bob suddenly disconnects. During observation, the time period of oscillation until the moment when the water does not come out
18. A simple pendulum is set to vibrate. What causes the pendulum to stop after a while?
19. The displacement of a particle in a period in simple harmonic motion is [A = amplitude]
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20. The particle performs SHM of type x = Asinwt. From x = 0 to x = A/2 we need t1, and from x = A/2 to x = A. The ratio t1 : t2 will be
22. One of the two clocks on earth is controlled by a pendulum and the other by a spring. If both clocks are taken to the moon, which clock will have the same time – the period of the Earth?
25. The ratio of the energies of oscillations of two completely identical pendulums that oscillate with amplitudes of 5 cm and 10 cm is: (a) 1 : 2 (b) 2 : 1 (c) 1 : 4 (d) 4 : 1 61 . A. In the sitting position, the child stands up while rocking on the lap. the time period of the swing will be
27. In which of the following relations between acceleration a and displacement x of a particle is simple harmonic motion involved?
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28. A particle performing SHM has a maximum velocity of 30 cm/s and a maximum acceleration of 60 cm/s2. is the period of oscillation
29. What will be its amplitude when a particle of uniform circular motion with a radius of 10 cm passes through SHM?
32. The spring-mass system oscillates with frequency n. If he is riding in an elevator that is moving slowly upwards, then the frequency will be
34. A spring scale has a scale that reads from 0 to 50 kg. The length of the scale is 20 cm. A block of mass m is suspended from this equilibrium when it is moved and released, it oscillates with a period of 0.5 s. The value of m is (take g = 10 m s-2)
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36. For a magnet of time period T, the magnetic moment is M, if the magnetic moment becomes one quarter of the initial value, then the time period of oscillation becomes
38. For a magnet of time period T, the magnetic moment is M, if the magnetic moment becomes one quarter of the initial value, then the time period of oscillation becomes
41. A particle is in simple harmonic motion between x = – A and x = + A. The time it takes to travel from 0 to A/2 is T1 and the time it takes to travel from A/2 to A is T2. Then
42. If at any time a simple harmonic oscillator achieves a displacement of 0.02 m and an acceleration equal to 2.0 ms-2, then the angular frequency of the oscillator is equal to
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43. The time period of a simple pendulum of length l and the place where the acceleration due to gravity is g is T. What will be the time period of a simple pendulum of the same length at the place where the acceleration due to gravity is 1.029?
44. The dimensions of two identical pendulums are 2 cm and 5 cm. The ratio of their energies is
46. The length of a simple spring is l, and the force constant is K. It is cut into two springs of length l1 and l2 so that l1 = n l2 (n = integer). The force constant of a spring of length l1 is
47. The displacement of a particle is given by r = A (i coswt + jsinwt) r. is the velocity of the particle
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48. When the displacement of a particle performing SHM is one quarter of its amplitude, then what part of the total energy is kinetic energy?
49. The period of a simple harmonic oscillator is 2 seconds. The ratio of its maximum speed to its maximum acceleration is
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