What is the unit of measurement of noise or sound level?
Noise
The unit of measurement of sound is as follows:
(a) What is the noise? Give two examples of sounds which are considered noise.
(b) What is a musical sound? Give two examples of musical sounds.
Name the unit used to measure the sound level.
The noise level in a classroom in absence of the teacher is 50 dB when 60 students are present. Assuming that on the average each student outputs same sound energy per second, what will be the noise level if the number of students is increased to 100 ?
Name the unit used for measuring the sound level.