Question

The quality of the sound heard on percussion of the chest; the intensification and prolongation of a sound by reflection or by vibration of a nearby object is known as:

a. pitch.
b. tone.
c. frequency.
d. resonance.

Answer 1

a

Step-by-step explanation:

Answer 2

resonance

Step-by-step explanation:

pitch is the quality of a sound governed by the rate of vibrations producing it the degree of highness or lowness of a tone.

the tone is how u sound( i dont know how to word it)

frequency is the rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light), usually measured per second.