1 Constructive interference results in: A Decreased amplitude B Zero displacement C Increased amplitude D No effect
2 Nodes in a standing wave are points of: A Maximum displacement B Zero displacement C Maximum velocity D Maximum energy
3 Which of the following is a transverse wave? A Sound in air B Water surface wave C Compression wave D Seismic P-wave
6 The primary waves in earthquakes are: A Transverse waves B Surface waves C Longitudinal waves D Electromagnetic waves
7 The distance between two successive crests is called: A Amplitude B Frequency C Wavelength D Time period
9 Tsunamis are caused mainly by: A Strong winds B Heavy rainfall C Undersea earthquakes D Volcanic ash
11 Antinodes in a standing wave are points of: A Zero displacement B Minimum energy C Maximum displacement D No vibration
12 Destructive interference results in: A Maximum displacement B Minimum displacement C Increase in frequency D Increase in wavelength
13 In transverse waves, particles vibrate: A Parallel to wave direction B Along the wave path C Perpendicular to wave direction D In spiral paths
15 The maximum displacement of a vibrating particle from its mean position is called: A Wavelength B Frequency C Amplitude D Velocity
16 Diffraction of waves is most noticeable when: A Wavelength is very small B Wavelength is comparable to obstacle size C Amplitude is large D Frequency is high
17 Wave motion is the transfer of: A Matter only B Energy only C Both matter and energy D Neither matter nor energy
20 Interference occurs when: A Two waves overlap B Wave changes speed C Wave reflects D Wave refracts