Question

name the characteristic of vibrating body which determines the-
a) loudness
b)pitch of the sound
produced by it.

Please answer this question ​

Answer 1

It's answer is a. loudness

Answer 2

Loudness : The loudness is determined by "its maximum displacement of to and fro motion" (or simply 'amplitude')

Pitch: It is determined by "the number fixed cycles of vibration completed by a body in a given time" (or Frequency)