Question

3. Survey your locality (including your own house) and indicate the buildings that are old,
structurally weak and unsafe to live. Make three lists – Very Unsafe, Partially Unsafe
and Safe.​

Answer 1

loudness of a sound depends on amplitude of the wave. louder sound corresponds to a wave of larger amplitude. 1)loudness is proportional to the square of the amplitude . . 4)loudness depends on the density of the medium more the density of the media more is the loudness .