Waves and Wave Motion Class 12 Physics Notes and Numericals

Waves and Wave Motion falls under waves and optics portion of class 12 physics. Waves and Wave Motion Class 12 Physics Notes is designed according to the updated syllabus of 2080 and it covers all the important portion of the chapter. Students can easily prepare their notes, study for test or exams by taking the help of class 12 Waves and Wave Motion Notes.

Chapter – 6
Waves and Wave Motion

Wave transports the energy from one point to another without transferring the particles of the medium between these points. For example, when a stone is dropped into a calm pond, the kinetic energy of the stone is shared by water molecules and disturbances are produced at the point where the stone strikes the water in the pond. As the disturbance (wave) travels outward, the particles of water vibrate only up and down about their mean position.

Chapter Overview
In this chapter we are going to learn the following concepts, ideas or topics;

Types of Wave
Types of mechanical wave
Phase, phase difference and path difference
Progressive wave
Principle of Superposition

Now let’s move on to the notes of waves and wave motion. The PDF given below contains all the notes which includes all the topics mentioned in the chapter overview. We request students to use the notes of waves and wave motion wisely for the purpose of making notes and preparing for the board examination.

You have to scroll down the PDF to view all the notes of Waves and Wave Motion. This PDF contains 7 slides in total which contains all the required notes of waves and wave motion. It doesn’t contains the numerical problems so if you are searching for the numericals then you’ll find them in the next PDF given below.

Wave parameters

Amplitude (A): The amplitude of the wave is defined as the maximum displacement of the vibrating particle on either side of (below or above) the mean position.
Time period (T): The wave period (T) is the time (measured in seconds) required for the point to complete one full cycle of its motion, from its highest point to its lowest and back again.

Waves and Wave Motion Class 12 Physics Numerical Questions

Those students who want to practice the numericals from waves and wave motion chapter can practice the questions given in the PDF below. We have solved the selected numericals which will provide you the method of solving the numericals.

This PDF contains all the important numericals from waves and wave motion chapter. In addition to the numericals it also contains all the required formulas used for solving the numerical problems of this chapter.

If you are willing to practise more numerical problems for your examination then you can practice the questions listed below.

A simple harmonic wave travelling along X- axis is given by Y = 5 sin 2 (0.2-0.5x. Calculate the amplitude, frequency, wavelength, wave velocity. (x is in m, t is in second) [Ans: 5, 10Hz, 2m, 20m/s]
Write down the equation of wave travelling in the negative direction along x-axis and having an amplitude 0.01m, a frequency 500Hz and speed 330m/sec. [Ans: y = 0.01 sin 2 pi(500t + (5x)/3))]
A directional loudspeaker aims a sound wave of frequency 200 Hz at a wall. At what distances from 2 the wall would you stand and hear no sound at all? [Ans: 0.43 m, 1.29m, 2.15 m, …]
Thunder was heard 2 second after the lightening. If the velocity of sound is 350m/sec, how far away is the lightening? [Ans: 700m]
A boy claps his hands once every second and hears the echo from a distant building. He hears the echo of each clap mid-way between it and the next clap. If the velocity of sound is 340m /sec, what is the distance of the building from the boy? [Ans: 85m]

These questions are provided for practising purposes. So we haven’t provided the solutions of the numerical problems. However, if you are facing problems while solving these numericals then we request you to copy the questions and paste it in Google to get the solutions of that numericals. If that doesn’t work then you can contact us through our telegram channel to get the solutions.