Sound and its measurements

Sounds are tiny vibrations that can travel through air and other materials. The loudness of a sound is measured in decibels (db). Typical sound levels in decibels:

Note: 130 db causes damage to hearing.

1 Breathing 10 db
2 Wind in the trees 20 db
3 Whisper 20-30 db
4 Ticking Clock 30 db
5 House in a quiet street 35 db
6 Radio Music 50-60 db
7 Loud Conversation 60 db
8 Office Noise 60 db
9 Children Playing 60-80 db
10 Lawn mower 60-80 db
11 Vacuum cleaner 80 db
12 Traffic Noise 60-90 db
13 Sports Car 80-95 db
14 Heavy truck traffic 90-100 db
15 Loud Radio 100 db
16 Motor Cycle 105 db
17 Pneumatic drill 110 db
18 Thunder storm 110 db
19 Rock Music 120 db
20 Aircraft Noise 90-120 db
21 Jet takeoff(at 100 meter distance) 120 db
22 Jet Engine(at 25 meter distance) 140 db
23 Space Vehicle launch (from a short distance) 140-170 db

Author: gktoday

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