Soundwave intensity refers to the amount of energy that passes through a given area per unit of time. It is measured in watts per square meter and determines the loudness of a sound. On the other hand, sound level is a logarithmic measure of the sound's intensity relative to a reference point and is measured in decibels (dB). It is a more practical way of describing the loudness of a sound as it takes into account the sensitivity of human hearing.
Soundwave intensity is measured using a sound level meter, which consists of a microphone that converts sound pressure waves into electrical signals and a display that shows the measured intensity in watts per square meter. The meter is placed at the location where the intensity needs to be measured and the reading is taken.
There are several factors that can affect soundwave intensity, including the amplitude of the soundwave, the distance from the source, and the medium through which the sound travels. The intensity decreases as the distance from the source increases, and it also decreases when the sound travels through a medium with high absorption or dispersion properties.
Sound level is a measure of how loud a sound is perceived by the human ear. The human ear can detect a wide range of sound levels, from the faintest whisper to the loudest rock concert. However, the human ear is not equally sensitive to all frequencies, which is why sound levels are measured in decibels, which takes into account the different levels of sensitivity at different frequencies.
Yes, high levels of soundwave intensity and sound level can be harmful to humans. Prolonged exposure to loud sounds can cause permanent hearing damage and lead to conditions like tinnitus. The Occupational Safety and Health Administration (OSHA) has set guidelines for maximum allowable exposure to different sound levels in the workplace to protect workers from potential harm.