You are standing in the middle of a large room listening to a cacaphony of sound

Question

You are standing in the middle of a large room listening to a cacaphony of sounds. Rank the intensity level of the sounds from each source (1=loudest, 2= next loudest, ...) Consider all objects to be right next to you. (Remember that if you have a tie, you skip some ranks.)

1. Two buzzers each producing a sound with intensity level of 48dB.

2. Ten buzzers each producing a sound with intensity level of 42dB.

3. One hundred buzzers each producing a sound with intensity level of 28dB.

4. An object emitting a sound with an intensity of 50dB.

Explanation / Answer

loudest

2. Ten buzzers each producing a sound with intensity level of 42dB. = 52db

1. Two buzzers each producing a sound with intensity level of 48dB. = 51 dB

4. An object emitting a sound with an intensity of 50dB. = 50db

3. One hundred buzzers each producing a sound with intensity level of 28dB. = 48db

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