Sound Waves

16. The time taken for a sound wave to complete one full cycle is called its:

a) Amplitude

b) Frequency

c) Wavelength

d) Period

17. When two sound waves of the same frequency and amplitude meet, they can create a:

a) Constructive interference

b) Destructive interference

c) Standing wave

d) None of the above

18. The bending of sound waves as they pass through different mediums is known as:

a) Reflection

b) Refraction

c) Diffraction

d) Absorption

19. The phenomenon of a sound wave spreading out as it passes through an opening or around an obstacle is called:

a) Reflection

b) Refraction

c) Diffraction

d) Absorption

20. The frequency of a sound wave determines its:

a) Pitch

b) Loudness

c) Speed

d) Wavelength