Class 12 Physics Wave motion Notes and Important Questions
Learn
Loading notes…
Notes for Class 12 Wave motion (Physics) are shown above.
Practice
Important Questions
Prove that this force will make the rock vibrate with simple harmonic motion.
Show that the speed of an object undergoing simple harmonic motion is given by the expression
where the symbols carry standard meanings.
Calculate the maximum speed of a building shaken by S-waves of 21Hz and amplitude 0.05m.
Explain why tall buildings are more susceptible to damage by S-waves which generally have a low frequency.
What causes earthquakes?
The flow of magma
The expansion of the earth’s crust
The rubbing together of earth’s plates
Tsunami
Which of the following is an example of transverse wave?
Sound wave in air
Waves inside the water
Wave produced in the stem of vibrating tuning fork
Wave produced in the stretched string
Two wave pulses travel toward each other as shown in the diagram below.
Which of the following diagrams represents the superposition of the pulses when they meet?
What is the distance between two consecutive particles in a wave which are in the same phase?
λ/4
λ/2
3λ/4
λ
What is the distance between node and antinode in a stationary wave in terms of wavelength?
λ/2
λ/4
λ
2λ
7 more questions locked
Upgrade to a paid plan to view all important questions
Exam
Past Question Analysis
Historical exam-pattern data from past NEB question papers — not a prediction of future questions.
5
Question Items
4
Total Marks
4
Papers Appeared In
| Year | Question Items | Marks |
|---|---|---|
| 2083 | 1 | 1 |
| 2082 | 2 | 1 |
| 2081 | 1 | 1 |
| 2078 | 1 | 1 |
Also appears in 6 model questions (not counted above — model sets aren't actual NEB exam history).
Wave Motion focuses on how waves transfer energy and propagate through space. It covers progressive and stationary waves, wave equations, amplitude, wavelength, frequency, phase, nodes and antinodes.
This page covers Wave motion, chapter 6 of 25 in the Class 12 Physics syllabus set by the National Examination Board (NEB). 11 important questions for this chapter are available, each with a full solution.
For numerical and derivation-based chapters like this one, working through past NEB questions is usually more useful than re-reading notes alone — try solving each important question above before checking the solution, then compare your working step by step.