Sound Waves

21. Which of the following is not a type of sound wave interference?

a) Constructive

b) Destructive

c) Diffraction

d) Standing

22. The highest point of a sound wave is called its:

a) Crest

b) Trough

c) Amplitude

d) Wavelength

23. Which of the following materials would reflect sound waves the most?

a) Soft fabric

b) Concrete wall

c) Wooden door

d) Glass window

24. The process of converting sound energy into electrical signals is known as:

a) Reflection

b) Refraction

c) Diffraction

d) Transduction

25. The phenomenon of sound waves bouncing off multiple surfaces and creating multiple reflections is known as:

a) Refraction

b) Diffraction

c) Reverberation

d) Absorption