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Physics 10 Chapter 11 - Sound - 14
1.
What is the intensity of a lawn mower?
a) 10
-2
Wm
-2
b) 10
5
Wm
-2
c) 10
4
Wm
-2
d) 10
6
Wm
-2
2.
What is the intensity of a vacuum cleaner?
a) 10
4
Wm
-2
b) 10
3
Wm
-2
c) 10
-5
Wm
-2
d) 10
2
Wm
-2
3.
What is the intensity level of a vacuum cleaner in dB?
a) 150 dB
b) 190 dB
c) 170 dB
d) 70 dB
4.
What is the intensity of a mosquito buzzing?
a) 10
6
Wm
-2
b) 10
4
Wm
-2
c) 10
5
Wm
-2
d) 10
-8
Wm
-2
5.
What is the intensity level of mosquito buzzing in dB?
a) 150 dB
b) 190 dB
c) 170 dB
d) 40 dB
6.
What is the intensity of a whisper?
a) 10
4
Wm
-2
b) 10
-9
Wm
-2
c) 10
5
Wm
-2
d) 10
6
Wm
-2
7.
What is the intensity level of a whisper in dB?
a) 150 dB
b) 190 dB
c) 170 dB
d) 30 dB
8.
What is the intensity of rustling of leaves?
a) 10
3
Wm
-2
b) 10
5
Wm
-2
c) 10
-1
Wm
-2
d) 10
4
Wm
-2
9.
What is the intensity level of rustling of leaves in dB?
a) 150 dB
b) 190 dB
c) 10 dB
d) 170 dB
10.
What is the intensity level of a lawn mower in dB?
a) 150 dB
b) 170 dB
c) 100 dB
d) 190 dB
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