Unit 8 Quiz 2

Quiz
•
Physics
•
11th Grade
•
Medium
+3
Standards-aligned
Victoria Burton
Used 1+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sound waves radiate in ____________ waves.
spherical
straight
angled
diverse
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sounds below 20 Hz are called _____.
Infrasonic
Sonic
Ultrasonic
Protosonic
Tags
NGSS.HS-PS4-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sounds above 20,000 Hz are called _____.
Infrasonic
Sonic
Ultrasonic
Protosonic
Tags
NGSS.HS-PS4-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An ambulance is moving away from you at 25 m/s. Its siren has a frequency of 750 Hz. What frequency will you perceive the siren's sound to be? Use 346 m/s for the speed of sound.
699 Hz
5421 Hz
21 Hz
154 Hz
Tags
NGSS.HS-PS4-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The natural vibration of an object to a range of frequencies of sound is called beats.
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Loudness is measured in decibels.
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A piano tuner is tuning a string which should have a frequency of 440 Hz. He knows the pitch is too high and he hears 5 beats per second. What is the frequency of the piano string?
445
435
325
355
Tags
NGSS.HS-PS4-1
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