Question

Conclusion about sound energy to project​

Answer 1

Sound is a vibration that propagates as associate degree undulation, through a transmission medium like a gas, liquid or solid. In human physiology and psychological science, sound is that the reception of such waves and their perception by the brain.

Explanation:

Sound is made by mechanical disturbance of a cloth that makes Associate in Nursing oscillation of the molecules within the material Sound propagates quickest through solids, followed by liquids, and is slowest through gases among a medium, as density will increase, the speed of sound decreases.

The pitch of a sound is relative to its frequency. The Doppler shift may be a shift within the previous frequency of a sound compared to the particular frequency of the emitted sound once the supply of the sound and its detector are moving relative to each other