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U.2,L.2 Interaction of Sound waves Flashcards | StudBud
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U.2,L.2 Interaction of Sound waves
U.2,L.2 Interaction of Sound waves
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1
What can Tamara conclude about how air temperature affects the speed of sound?
When air temperature increases, the speed of sound increases
Air temperature has no effect on the speed of sound
When air temperature increases, the speed of sound remains the same.
When air temperature increases, the speed of sound decreases
2
resonance happens when
The amount of energy in a wave is increases in 2 obects at the same time
when two waves move at the same speed
When two waves form different instruments are the same amplitude
Sound wave matches the natural frequency of an object and vibrate 2 object
3
What is the definition of resonance?
When two waves form different instruments are the same amplitude
when two waves move at the same speed
1 object vibrates at its natural frequency causing other object to vibrate
The amount of energy in a wave is increases in 2 obects at the same time
4
What matirials absorb sound waves?
Concrete
Hard wood
Carpet
None of the above
5
How does the speed of sound differ in the different phases of matter?
Sound travels quicker in gas than liquid
Sound travels quicker in gas than solid
Sound travels quicker in liquid than solid
Sound travels quicker in solid than it does gas
6
Hard surfaces absorb sound waves
True
False
7
Temperature affects the speed of sound
True
False
8
Constructive interference
Subtract from each other, opposite parts meet
Add to each other, same parts meet ( crest, crest,…
9
If the sound travels at 5m/s for 52m how many seconds it takes
13 sec
0,16 sec
13.4 sec
10.4 sec
10
All objects have a frequency, or set of frequencies, at which vibrate ..
Natural frequencies
Resonance
Frequency
11
Which list correctly orders the speed of sound through mediums from slowest to fastest?
air, steel, water, wood
water, wood, steel, air
steel, air, water, wood
air, water, wood, steel
12
When two waves interact that result in a larger amplitude wave, what type of interference is it
destructive interference
reflection
constructive interference
13
Two factors that affect the speed of sound through a medium are
density and size
speed and size
temperature and color
temperature and medium
14
d=20m;t=10sFind the speed of sound.
10 m/s
30 m/s
200 m/s
2 m/s
15
……is a pattern of vibration that looks like a wave that is standing still
Doppler effect
Standing wave
Sonar
compression
16
Resonance occurs when a vibrating ( first object) tuning fork causes a rubber band to vibrate ( second object)
True
False
17
What are examples of Resonance?
musical instruments (cello)
using sound to break a wine glass
All
tuning forks
18
The density of a medium affects the speed of sound through it.
False
True
19
Constructive interference make sounds
fainter
create beats
louder
echo
20
If the sound travels at 5200m/s how far can travel in 4 sec
13000m
20800m
20300m
0,16m
21
Sound waves and light waves can both reflect, transmit, and absorb through some matter.
TRUE
FALSE
22
It’s examples of soft,rough Materials can absorb sound waves
All
Fabric curtains
Carpet
Acoustic tiles
23
What is supersonic booms?
Slow
Faster than the speed of light
Really fast
Faster than the speed of sound
24
The soft,rough Materials can absorb sound waves.
True
False
25
When two waves interact that result in a smaller amplitude wave what type of interference is it
destructive interference
constructive interference
refraction
reflection
26
Matter can reflect sound waves if the surface is….
Both
Hard
Smooth
27
It’s examples of hard, smooth Materials can reflect sound waves
All
Mirrors
Painted ceilings
Hardwood floor
28
d=35m;t=5sFind the speed of sound.
35 m/s
40 m/s
7 m/s
175 m/s
