JEE Main - Wave motion longitudinal and transverse One Line Questions & Answers

1. If a wave has a frequency of 50 Hz and a wavelength of 2 meters, what is its speed? — 100 m/s

2. A source vibrates with a frequency of 20 Hz, creating a longitudinal wave in a medium. If the wavelength is 5 meters, what is the speed of the wave? — 100 m/s

3. A wave travels at 300 m/s with a wavelength of 1.5 meters. What is its frequency? — 200 Hz

4. What is the wavelength of a wave with a speed of 10 m/s and a frequency of 5 Hz? — 2 m

5. Which of the following media would typically transmit sound waves the fastest? — Steel

6. The distance between two consecutive compressions or two consecutive rarefactions in a longitudinal wave is defined as its: — Wavelength

7. The distance between two consecutive crests or two consecutive troughs in a transverse wave is defined as its: — Wavelength

8. Which phenomenon is characteristic of longitudinal waves, representing regions of high particle density and pressure? — Compression

9. The period of a wave is the time taken for one complete: — Oscillation

10. Regions of low particle density and pressure in a longitudinal wave are called: — Rarefactions

11. If the tension in a string is increased, the speed of transverse waves on the string will: — Increase

12. A wave that requires a material medium for propagation is called a: — Mechanical wave

13. If the amplitude of a wave increases, it means the: — Energy transferred by the wave increases.

14. When a wave passes from one medium to another, its _____ may change, but its _____ remains constant (assuming the source frequency is unchanged). — wavelength; frequency

15. Which of the following is a unit of wave speed? — Meters per second (m/s)

16. The speed of sound in a gas is generally: — Lower than in liquids and solids.

17. Which of the following statements about wave motion is true? — Mechanical waves require a medium to travel.

18. If the linear mass density of a string is increased, the speed of transverse waves on the string will: — Decrease

19. What happens to the speed of sound in air if the temperature increases? — It increases.

20. The speed of sound in a gas is proportional to the square root of: — Its absolute temperature.

21. Light waves are an example of which type of wave motion? — Transverse

22. Electromagnetic waves, such as light, are an example of which type of wave motion? — Transverse

23. The oscillation of the Earth's surface during an earthquake, causing the ground to move up and down or side to side, is an example of which wave type? — Both longitudinal and transverse

24. Polarization is a phenomenon that demonstrates the _____ nature of waves. — Transverse

25. Which statement best describes the difference between longitudinal and transverse waves? — Longitudinal waves propagate parallel to particle motion; transverse waves propagate perpendicular to particle motion.

26. Which type of wave can exhibit polarization? — Transverse waves only

27. In a transverse wave, a 'crest' represents a point of: — Maximum displacement in the positive direction.

28. A 'trough' in a transverse wave is a point of: — Minimum displacement (maximum negative displacement).

29. The frequency of a wave is the number of complete oscillations per: — Second

30. The Doppler effect is observed for which types of waves? — Both longitudinal and transverse waves (including electromagnetic waves)

31. In a transverse wave, the particles of the medium oscillate in which direction relative to the wave's direction of travel? — Perpendicular

32. In a longitudinal wave, the displacement of particles is described by a function that is _____ to the wave propagation direction. — Parallel

33. In a transverse wave, the displacement of particles is described by a function that is _____ to the wave propagation direction. — Perpendicular

34. Which of the following is a characteristic of transverse waves but not longitudinal waves? — Polarization

35. Consider a wave traveling on the surface of water. This wave exhibits characteristics of both: — Purely transverse and purely longitudinal waves.

36. In a ripple tank, water waves moving across the surface are primarily an example of: — Surface waves (a combination of longitudinal and transverse motion)

37. The phenomenon of a wave bending as it passes from one medium to another is called: — Refraction

38. What is the unit of frequency? — Hertz (Hz)

39. Which type of wave can travel through a vacuum? — Electromagnetic waves

40. For a mechanical wave, the speed of the wave depends primarily on: — The properties of the medium through which it propagates.

41. The concept of 'phase' in wave motion refers to: — The position and direction of motion of a point on a wave.

42. Which property of the medium most significantly affects the speed of a transverse wave on a string? — The tension in the string and its linear mass density.

43. The speed of a transverse wave on a stretched string is directly proportional to the square root of: — The tension in the string.

44. What is the amplitude of a wave? — The maximum displacement of a particle from its equilibrium position.

45. Which of the following is NOT a characteristic of longitudinal waves? — Particle displacement is perpendicular to wave propagation.

46. Sound waves in air are a classic example of which type of wave motion? — Longitudinal

47. Which type of wave motion involves particles of the medium oscillating parallel to the direction of wave propagation? — Longitudinal wave motion

48. The relationship between wave speed (v), frequency (f), and wavelength (λ) is given by: — v = f * λ

49. Can transverse waves propagate through a gas? — Only if the gas is ionized.

Wave motion longitudinal and transverse - One Line Questions