Which of the following instruments is used to measure the sound level in decibels?
A. Sound level meter
B. Frequency analyzer
C. Audio analyzer
D. Vibration meter
Answer:A
Which of the following instruments is used to measure the sound level in decibels?
A. Sound level meter B. Frequency analyzer C. Audio analyzer D. Vibration meter
Explanation: A sound level meter is an instrument used to measure the intensity of sound, typically in units of decibels (dB).