NCERT Solutions for Class 11 Physics Chapter 14 Oscillations
NCERT Solutions for Class 11 Physics Chapter 14 Oscillations: Problems on motion along a straight line, motion in a plane, projectile motion, etc were discussed in the previous chapters. Solutions of NCERT class 11 physics chapter 14 oscillations explains problems on periodic and oscillatory motions. The motion which repeats after a certain interval of time is called periodic motion. For example, the motion of a planet around the sun, the motion of pendulum of a wall clock etc are periodic. To and fro periodic motion about a mean position is known as oscillatory motion. CBSE NCERT solutions for class 11 physics chapter 14 oscillations have questions on simple harmonic motion (SHM). SHM is the simplest form of oscillatory motion. In SHM the force on the oscillating body is directly proportional to the displacement about the mean position and is directed towards the mean position. NCERT solutions are an important tool to score well in the exams and also they are useful if you want to study other subjects of other classes as well. Concept studied in NCERT becomes easy to understand with the help of NCERT solutions for class 11.
The main topics discussed in NCERT class 11 physics chapter 14 oscillations
14.2 Periodic and oscillatory motions
14.3 Simple harmonic motion
14.4 Simple harmonic motion and uniform circular motion
14.5 Velocity and acceleration in simple harmonic motion
14.6 Force law for simple harmonic motion
14.7 Energy in simple harmonic motion
14.8 Some systems executing simple harmonic motion
14.9 Damped simple harmonic motion
14.10 Forced oscillations and resonance
Other types of oscillatory motions that are discussed in the NCERT class 11 Physics Chapter 14 are damped oscillations and forced oscillations. In damped oscillation, as the name indicates the oscillation gets damped after an interval of time. And if the damping is small the motion will be approximately periodic, the position-time graph of such damping oscillation is shown below.
We have seen the oscillation of a pendulum, this oscillation will be damped unless an external force is applied to maintain the oscillation. Such maintained oscillation due to an external agency is called forced or driven oscillations.
NCERT solutions for class 11 physics chapter 14 oscillations exercise
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NCERT solutions for class 11 physics chapter 14 Oscillations
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Importance of NCERT solutions for class 11 physics chapter 14 oscillations:
On an average 6.67 % of questions from oscillation and waves are asked for JEE Mains. Most of the previous JEE mains questions from oscillation asked are from topics SHM and simple pendulum. For NEET exam 2 questions are expected from oscillation. The CBSE NCERT solutions for class 11 physics chapter 14 oscillations will help to score well in class 11 and competitive exams.
Frequently Asked Question (FAQs) - NCERT Solutions for Class 11 Physics Chapter 14 Oscillations
Question: What is the weightage of oscillations for NEET
From the NCERT chapter oscillations, two questions can be expected for NEET exam
Question: Is the chapter oscillation important for JEE Main
Yes, oscillation is important for JEE Main. I question can be expected from oscillations for JEE Main
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