Class 11 Physics: Waves Online Test | Exam Bashed Mock Test
GK Aim: A Treasure of MCQs

Class 11 Physics — Chapter 15: Waves Online Test

Start Your Test by Choosing a Paper

0%

Class 11 Physics: Waves Online Test (Paper 1)

Welcome to Paper 1! This is your foundation to build confidence and get you ready to tackle the challenges ahead.

  • Total Questions: 20
  • Time Allotted: 30 minutes
  • Passing Score: 40%
  • Randomization: No
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 20

1. A wave packet has a central wavelength and wave speed . Find the central frequency.

2 / 20

2. A diffraction grating gives first-order maximum at angle for light of wavelength 600 nm. Find grating spacing .

3 / 20

3. A closed organ pipe of length resonates with sound speed . What are first three harmonics?

4 / 20

4. In the case of a point source emitting waves, the wavefronts are:

5 / 20

5. Why is polarization important in LCD technology?

6 / 20

6. A wave has frequency and wavelength . What is its speed?

7 / 20

7. A wave strikes a barrier at incidence. What is the reflection angle?

8 / 20

8. A tuning fork of 512 Hz produces 6 beats per second with another fork. What are the possible frequencies of the second fork?

9 / 20

9. A string wave has speed and frequency . Find its wavelength.

10 / 20

10. A sound wave in water has speed and frequency . Find its wavelength.

11 / 20

11. A longitudinal wave is produced in a medium with density , speed , displacement amplitude , and angular frequency . Find the pressure amplitude.

12 / 20

12. A progressive wave is expressed as . Find its speed.

13 / 20

13. In a steel rod, Young’s modulus is , and density is . Find speed of longitudinal waves.

14 / 20

14. An aluminum rod has density and Young’s modulus . Find wave speed.

15 / 20

15. An electromagnetic wave has frequency . What is its wavelength in vacuum?

16 / 20

16. A string wave is given by . What is its frequency?

17 / 20

17. In spatial dispersion, what determines the angular separation of different colors in a prism?

18 / 20

18. A rectangular waveguide has dimensions . Find cutoff frequency of dominant mode TE (take ).

19 / 20

19. For a rectangular waveguide of dimensions , compute cutoff frequency of TE mode.

20 / 20

20. A plane-polarized light of intensity passes through an analyzer at to the plane of polarization. Find transmitted intensity.

Please provide information to view your result.

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

0%

Class 11 Physics: Waves Online Test (Paper 2)

Welcome to Paper 2! You’ve mastered the basics, and now it’s time to test your understanding with a more challenging set of questions.

Get new questions on each attempt

  • Total Questions: 30
  • Time Allotted: 45 minutes
  • Passing Score: 50%
  • Randomization: Yes
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 30

1. A train whistle has frequency 500 Hz. If the train moves towards a stationary observer at speed 30 m/s (speed of sound = 330 m/s), what frequency is heard?

2 / 30

2. A string wave is given by . What is its frequency?

3 / 30

3. A ray of light is incident on a plane mirror at with the surface. What is the reflection angle?

4 / 30

4. Which statement is correct regarding phase velocity and group velocity in a non-dispersive medium?

5 / 30

5. What is the general solution to the wave equation in one dimension?

6 / 30

6. The speed of a wave on a string is given by which formula?

7 / 30

7. A medium has dispersion relation (water waves, deep). Find group velocity in terms of .

8 / 30

8. Which of the following properties does NOT change when a sound wave travels from air into water?

9 / 30

9. What is wave polarization?

10 / 30

10. Which application of acoustics uses reflection of sound waves?

11 / 30

11. A prism produces angular separation of between red () and violet (). If prism angle = , calculate approximate difference in refractive index ().

12 / 30

12. In a rectangular waveguide, what do TE and TM modes stand for?

13 / 30

13. What are beats in wave phenomena?

14 / 30

14. An EM wave has , . What is the polarization?

15 / 30

15. Why does a guitar string produce different pitches when pressed at different frets?

16 / 30

16. Why do seismographs detect P-waves before S-waves?

17 / 30

17. In a Young’s double-slit experiment, slits are separated by 0.25 mm and screen is 1.0 m away. Light of 600 nm is used. Find fringe width.

18 / 30

18. A light ray strikes a mirror at with the surface. What is the angle of incidence with respect to the normal?

19 / 30

19. A galaxy’s H-alpha line () is observed at . Estimate its recessional speed (non-relativistic).

20 / 30

20. The condition for destructive interference in terms of path difference is:

21 / 30

21. Why are rectangular waveguides often preferred over circular ones?

22 / 30

22. A parallel beam of light passes through a convex lens of focal length . Where will the rays converge?

23 / 30

23. For an open organ pipe of length , with sound speed , what is the fundamental frequency?

24 / 30

24. In a pipe with both ends open, reflection of longitudinal sound waves produces:

25 / 30

25. The distance between two consecutive nodes in a standing wave is:

26 / 30

26. If beat frequency is 10 Hz, what is the time between two successive maxima?

27 / 30

27. If a sound wave hits a rigid wall at incidence, what will be its angle of reflection?

28 / 30

28. An observer moves away from a stationary source of frequency at . Speed of sound = . Find observed frequency.

29 / 30

29. Which of the following is NOT a fundamental characteristic of a wave?

30 / 30

30. A wave has speed and wavelength . Find its frequency.

Please provide information to view your result.

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

0%

Class 11 Physics: Waves Online Test (Paper 3)

Welcome to Paper 3! You’ve warmed up—now it's time to step up your game and conquer the challenge with tougher questions!

Earn a certificate upon passing

Get new questions with every attempt

  • Total Questions: 50
  • Time Allotted: 75 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 50

1. A sound wave hits a wall at incidence. What is its reflection angle?

2 / 50

2. Why do optical instruments like spectrometers use diffraction gratings?

3 / 50

3. Why are surface seismic waves often most destructive during earthquakes?

4 / 50

4. Which condition is true for pressure variations at the closed end of an organ pipe?

5 / 50

5. Which of the following is NOT a characteristic of beats?

6 / 50

6. Which optical device uses polarization to reduce glare from surfaces like water and glass?

7 / 50

7. Why can longitudinal waves propagate in fluids but transverse waves cannot?

8 / 50

8. If a sound wave hits a rigid wall at incidence, what will be its angle of reflection?

9 / 50

9. Why can AM radio signals travel longer distances than FM signals?

10 / 50

10. In Newton’s rings experiment, a dark spot at the center is observed because:

11 / 50

11. For the same medium (), find phase velocity.

12 / 50

12. A light beam with wavelengths 400 nm and 700 nm enters a prism (refractive indices: ). If prism angle = , calculate angular separation between two colors.

13 / 50

13. An EM wave has , . What is the polarization?

14 / 50

14. A wave has linear polarization at to the x-axis, with amplitude . Find its components.

15 / 50

15. A string of length has wave speed . What is the fundamental frequency?

16 / 50

16. Constructive interference occurs when:

17 / 50

17. In organ pipe tuning, beats help musicians:

18 / 50

18. A car moving at 25 m/s towards a stationary observer blows horn at 500 Hz. Speed of sound = 340 m/s. What frequency does observer hear?

19 / 50

19. A wave packet has central frequency and bandwidth . Estimate temporal width of the packet.

20 / 50

20. An EM wave has horizontal and vertical components: , . What is the polarization of the wave?

21 / 50

21. Which of the following applications relies on diffraction?

22 / 50

22. The speed of sound in an ideal gas is directly proportional to:

23 / 50

23. Mechanical waves require which of the following to propagate?

24 / 50

24. The speed of sound in hydrogen at STP is approximately:

25 / 50

25. A car moving at sounds a horn of frequency . An observer at rest ahead of the car hears the sound. Speed of sound = . Find observed frequency.

26 / 50

26. A diffraction grating gives second-order maximum at angle for wavelength 600 nm. Find grating spacing .

27 / 50

27. In a pipe with both ends open, reflection of longitudinal sound waves produces:

28 / 50

28. Which of the following conditions increases diffraction effects?

29 / 50

29. For a rectangular waveguide of dimensions , compute cutoff frequency of TE mode.

30 / 50

30. Which function is NOT a valid solution of the wave equation?

31 / 50

31. The principle used in the working of noise-cancelling headphones is:

32 / 50

32. Why is polarization analysis important in optics and communication?

33 / 50

33. A circular waveguide of radius operates in TE mode. Calculate cutoff wavelength (use ).

34 / 50

34. The wave equation is of which type?

35 / 50

35. What is the fundamental difference between mechanical and electromagnetic waves?

36 / 50

36. Which of the following describes resonance in a violin?

37 / 50

37. Why are rays often used instead of wavefronts in geometrical optics?

38 / 50

38. Why is polarization important in wireless communication using antennas?

39 / 50

39. A car horn of frequency moves away from a stationary observer at . Speed of sound = . Find the observed frequency.

40 / 50

40. In wind instruments such as a flute, how are musical notes formed?

41 / 50

41. If the speed of sound in air is 343 m/s, what will be its speed in water given that the bulk modulus of water is and density is ?

42 / 50

42. A longitudinal wave has speed 300 m/s and frequency 150 Hz. A transverse wave of the same frequency travels in a string with wavelength 2 m. Which wave travels faster?

43 / 50

43. A 2 kHz sound wave travels in seawater with speed 1500 m/s. A 20 kHz wave travels at 1520 m/s. If both start together, how much time difference after 1 km?

44 / 50

44. Which of the following is an example of a mechanical wave?

45 / 50

45. The relation between speed , frequency , and wavelength of a wave is:

46 / 50

46. A wave is represented as . What is its frequency?

47 / 50

47. What is temporal dispersion?

48 / 50

48. In single-slit diffraction, the first minimum occurs when:

49 / 50

49. For a wave with dispersion relation , find phase and group velocities at .

50 / 50

50. Diffraction is more pronounced when:

Please provide accurate information so we can send your Achievement Certificate by mail.

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

Practice Waves MCQs
Download Class 11 Physics MCQ Study Bundle

Class 11 Physics — Chapter 15: Waves Online Test

The Waves Online Test for Class 11 Physics helps students understand one of the most fascinating and high-scoring chapters in mechanics — the study of wave motion. Waves are everywhere: in sound, light, and even earthquakes. This chapter teaches how energy travels without transferring matter, and this MCQ-based online test ensures you grasp these core ideas through practical, exam-style questions.

The test is based on the NCERT Class 11 Physics Chapter 15 — Waves and follows the latest CBSE pattern. It includes multiple-choice questions from every key topic such as transverse and longitudinal waves, speed of sound, Doppler effect, superposition, beats, and stationary waves. Each paper is auto-evaluated and provides instant results with answer review, helping you analyze your performance and strengthen weak areas.

The Waves Online Test helps you connect classroom theory with real-world applications like the production of sound, resonance in musical instruments, and Doppler effect in astronomy. Each question is created to improve your understanding of formulas and physical interpretation. After each attempt, you can review your score, correct answers, and retake the paper for better performance.

About this Online Test

The Chapter 15 — Waves Online Test consists of three difficulty-based papers. Each paper tests your conceptual depth and numerical accuracy progressively.

  • Paper 1 — Concept Foundation: 20 questions · 30 min · Pass ≥ 40%
  • Paper 2 — Mixed Practice: 30 questions · 45 min · Pass ≥ 50% · Random new questions each attempt
  • Paper 3 — Advanced Challenge: 50 questions · 75 min · Pass ≥ 70% · Certificate available on passing

Papers 2 and 3 refresh with new question sets every time you retake them, while Paper 1 remains fixed for concept review. All tests include automatic grading, time tracking, and complete answer explanations after submission.

Key Topics Covered (Waves)

  • Introduction to wave motion
  • Transverse and longitudinal waves
  • Displacement, amplitude, frequency, and wavelength
  • Speed of wave on a stretched string
  • Principle of superposition of waves
  • Beats and interference
  • Stationary (standing) waves
  • Resonance and natural frequency
  • Doppler effect and its real-life applications

Why You Should Take This Test

Waves is one of the most conceptually rich and formula-based chapters. This online test helps you practice a variety of questions that reinforce your theoretical and mathematical understanding. It helps you:

  • Revise all formulas related to wave speed, frequency, and wavelength
  • Understand wave superposition and resonance clearly
  • Improve accuracy with conceptual and numerical MCQs
  • Get instant score and answer analysis after submission
  • Boost your confidence for both board exams and JEE/NEET Physics

Who Should Attempt This Test

  • CBSE/NCERT Class 11 students preparing for Physics exams
  • JEE and NEET aspirants aiming to master mechanics and sound wave topics
  • Students wanting conceptual clarity in standing waves and Doppler effect
  • Teachers looking for ready-to-use online MCQ tests for practice

Preparation Tips for Chapter 15 — Waves

  • Revise the wave equation and understand how displacement varies with time and position.
  • Memorize key relations: v = fλ and v = √(T/μ) for waves on a string.
  • Practice numericals on beats, stationary waves, and Doppler shift.
  • Study the phase difference and nodes–antinodes formation clearly.
  • Attempt Paper 1 for formula check, Paper 2 for mixed concepts, and Paper 3 for full exam simulation.

Before You Start

  • Use updated Chrome or Edge browser for a smooth test experience.
  • Ensure a stable internet connection during the test.
  • Do not refresh or close the browser tab while attempting.

Related Tests

FAQs on Waves Online Test ▼

Subscribe
Notify of
guest
3 Comments
Inline Feedbacks
View all comments
Delen-Do

Love how you bring out the best in people through your incredible work

0
0
Reply
Roshan

This is pure gold! So grateful you posted this 🌟

0
0
Reply
Jodan JS

This message 💫 came at exactly right time for me. Your timing is always perfect. Thank you.

0
0
Reply

Related MCQs

Scroll to Top