Wave Motion and Resonance - One Line Questions

1. When a wave is reflected from a rigid boundary, the phase of the reflected wave changes by: — 180 degrees
2. Which of the following is an example of resonance in everyday life? — A wine glass shattering when a specific note is sung
3. The distance between two consecutive crests of a transverse wave is called its: —
4. For resonance to occur, the driving frequency must be close to the: — Natural frequency
5. Harmonics are frequencies that are integer multiples of the: — Fundamental frequency
6. The speed of a wave depends on: — Properties of the medium
7. Which of the following is a characteristic of damped oscillations? — Amplitude decreases over time
8. In a closed organ pipe, the fundamental frequency corresponds to a standing wave with: — Node at the closed end and antinode at the open end
9. In a longitudinal wave, the regions of maximum compression and rarefaction correspond to: — Regions of high and low pressure
10. A swing set, when pushed periodically at its natural frequency, will exhibit: — Resonance
11. Which property of the medium determines the speed of sound? — Density and elasticity
12. If the wavelength of a wave doubles while its speed remains constant, its frequency will: — Halve
13. The natural frequency of an object is the frequency at which it tends to vibrate when: — Disturbed from its equilibrium position and then left alone
14. In resonance, the amplitude of oscillation becomes very large because: — Energy is continuously transferred from the driving force to the oscillator
15. The phenomenon of beats is observed when two sound waves of: — Slightly different frequencies interfere
16. The first overtone in an open organ pipe corresponds to the: — Second harmonic
17. Destructive interference occurs when two waves are: — Out of phase by 180 degrees
18. What is the effect of damping on a resonating system? — Decreases the amplitude at resonance and broadens the resonance peak
19. Which of the following would increase the frequency of a wave on a string? — Decreasing the length
20. What happens to the energy of a resonating system? — It increases significantly
21. A wave in which the particles of the medium oscillate perpendicular to the direction of wave propagation is called a: — Transverse wave
22. Which type of wave can exhibit polarization? — Transverse waves
23. Nodes in a standing wave are points where the amplitude of oscillation is: — Minimum (zero)
24. What is the SI unit for frequency of a wave? — Hertz (Hz)
25. Antinodes in a standing wave are points where the amplitude of oscillation is: — Maximum
26. In an open organ pipe, the fundamental frequency corresponds to a standing wave with: — Antinode at both ends
27. Constructive interference occurs when two waves are: — In phase
28. Which phenomenon occurs when a wave encounters an obstacle or opening and bends around it? — Diffraction
29. When a bridge is subjected to rhythmic vibrations from marching soldiers, it can collapse due to: — Resonance
30. The phenomenon of wave motion that allows us to hear sounds around corners is: — Diffraction
31. When light waves pass from one medium to another and change direction, this is called: — Refraction
32. The phenomenon of standing waves can be explained by: — Interference of waves traveling in opposite directions
33. Musical instruments like guitars and violins produce sound through: — Standing waves on strings
34. What is the primary cause of sound production in a loudspeaker? — Vibration of a diaphragm driven by an electrical signal
35. The lowest frequency of vibration of a system is called its: — Fundamental frequency
36. The first overtone in a closed organ pipe corresponds to the: — Third harmonic
37. Polarization is the process of restricting the oscillations of a transverse wave to a: — Single plane
38. Which of the following is NOT a type of mechanical wave? — Light waves
39. The speed of a wave is determined by the properties of the: — Medium
40. The Doppler effect describes the change in frequency of a wave in relation to an observer who is: — Moving relative to the source
41. When two or more waves overlap, the resultant displacement at any point is the algebraic sum of the displacements due to individual waves. This is known as: — Superposition principle
42. What is resonance? — The phenomenon where an object vibrates with maximum amplitude when subjected to an external periodic force with a frequency matching its natural frequency
43. What does the period of a wave represent? — The time taken for one complete oscillation
44. What is amplitude of a wave? — The maximum displacement of a particle from its mean position
45. What is the fundamental characteristic of wave motion? — Transfer of energy
46. Sound waves are an example of: — Longitudinal waves
47. The relationship between wave speed (v), frequency (f), and wavelength (λ) is given by: — v = f * λ
48. A system is in simple harmonic motion if its restoring force is proportional to the: — Displacement from equilibrium
49. The distance between two consecutive nodes in a standing wave is: — λ/2
50. The distance between a node and an adjacent antinode in a standing wave is: — λ/4
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