decibel scale Flashcards
1
Q
threshold of hearing
A
0
2
Q
person breathing @ 3 m
A
10
3
Q
a whisper @ 1m
A
20
4
Q
classroom during test, no talking
A
30
5
Q
residential street, no traffic
A
40
6
Q
normal conversation
A
60
7
Q
busy traffic
A
70
8
Q
vacuum cleaner, for user
A
80
9
Q
niagara falls, at viewpoint
A
90
10
Q
rock concert
A
120
11
Q
threshold of pain
A
130
12
Q
0
A
threshold of hearing
13
Q
10
A
person breathing @ 3 m
14
Q
20
A
a whisper @ 1m
15
Q
30
A
classroom during test, no talking
