Question

which of these is expected to be the best absorber of sound ?
a. iron
b.wood
c. wool
d. cemented wall​

Answer 1

The right solution for the given options is option c: Wool.

• For sound to be absorbed by any material or the body, it must contain pores, holes, or some other opening that allows sound energy to flow through and be absorbed.
• Wool is one of the alternatives because it has pores through which sound energy may be drawn in and absorbed.
• In this situation, sound energy is partially absorbed and the remainder is sent out in the form of body heat energy at intervals.
• Other choices include a hard solid surface that lacks intermolecular or interparticle space, as well as perforations that allow sound waves to travel through.
• The sound is generally reflected back and not absorbed by the material in those circumstances.
• Therefore we conclude that wool is the best sound absorber.