what is the loudness of sound called?
the measurement of loudness is the bel, or more commonly, the decibel (one decibel=10 bels)
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The loudness of sound is called "volume" or "intensity." It refers to our perception of the strength or amplitude of sound waves. The unit used to measure loudness is the decibel (dB).
To understand the concept of loudness, we need to consider the physical properties of sound waves. The amplitude of a sound wave determines its intensity or how loud it is. The greater the amplitude, the louder the sound. This can be thought of as the height of the wave - a higher wave corresponds to a louder sound.
To measure the loudness of sound in decibels, you would need a sound level meter. This instrument quantifies the intensity of sound by measuring the air pressure caused by the sound waves. The sound level meter then converts the air pressure into a decibel reading. Higher decibel readings indicate louder sounds.
When referring to loudness in everyday conversations, we often use terms like "soft," "moderate," or "loud" to describe the volume of sounds. However, when it comes to precise measurements, decibels are used.