Chapter 8 (Waves)
Authored by abdul ali
Physics
11th Grade
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sound waves are of these type
Longitudinal
Transverse
Mechnical
Electromagnetic
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the amplitude of this wave?
0.03 m.
0.04 m.
0.05 m
0.06 m.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the wavelength of this wave?
0.030 m
0.040 m
0.060 m
0.080 m
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Why must soldiers break their march when crossing a bridge?
To avoid making too much noise
To prevent the bridge from resonating
To maintain discipline
To save energy
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A pipe that is open at both ends has a fundamental frequency of 320 Hz when the speed of sound in air is 331 m/s. What is the length of this pipe?
0.52 m
0.48 m
0.45 m
0.50 m
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What are the next two harmonics of a pipe open at both ends with a fundamental frequency of 320 Hz?
640 Hz and 960 Hz
480 Hz and 640 Hz
320 Hz and 480 Hz
960 Hz and 1280 Hz
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A closed pipe has a fundamental frequency of 320 Hz when the speed of sound in air is 331 m/s. What is the length of this pipe?
0.26 m
0.52 m
0.41 m
0.83 m
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