2 Which of the following waves has both transverse and longitudinal properties? A Sound wave B Light wave C Water surface wave D Radio wave
6 Wave motion is the transfer of: A Matter only B Energy only C Both matter and energy D Neither matter nor energy
8 In acoustics, absorption of sound is increased by: A Hard surfaces B Smooth walls C Soft materials D Metal sheets
11 As a tsunami approaches the shore, its speed: A Increases B Remains constant C Decreases D Becomes zero
12 Which factor does NOT affect the speed of sound in air? A Temperature B Humidity C Pressure D Density
14 Which of the following causes hearing loss? A Soft sounds B Moderate sounds C Loud noise D Silence
15 Interference occurs when: A Two waves overlap B Wave changes speed C Wave reflects D Wave refracts
16 Crests and troughs are found in: A Longitudinal waves B Sound waves C Transverse waves D Compression waves