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Course: Alhussan Physics — Stage 7
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Alhussan Physics — Stage 7

Chapter 1: Energy

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Chapter 2: Forces

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Chapter 3: Sound

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Chapter 4: Electricity

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Chapter 5: The Earth in Space

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Quiz

Physics 3.4 Chapter 3 Review: Sound — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
Sound absorbed by materials (%). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 1
A
B
C
D
2.
Sound is slowest in ____.
metals
gases
liquids
solids
3.
True or false? Humans hear 200 000 Hz.
True
False
4.
Which statement is correct?
Echoes are new sounds.
Sound is transverse.
Compressions have particles close together.
The cochlea is in the middle ear.
5.
Thunder 9 s after lightning. Distance (340 m/s)?
3060 m
38 m
349 m
30,600 m
6.
Which statement is correct?
Sound is slowest in gases.
Carpets reflect sound strongly.
Sound travels in a vacuum.
Sound is fastest in air.
7.
Upper hearing limit with age. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 2
A
B
C
D
8.
Sound absorbed by materials (%). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 3
A
B
C
D
9.
Which statement is NOT correct?
Distance = speed × echo time.
Sound is fastest in solids.
Loud sounds have larger amplitude.
Sound travels about 340 m/s in air.
10.
Which statement is correct?
Sound is fastest in solids.
Echoes are new sounds.
Distance = speed × echo time.
The cochlea is in the middle ear.
11.
True or false? Compressions have particles close together.
True
False
12.
Sound is a ____ wave.
longitudinal
transverse
radio
light
13.
Sonar echo 2 s (1500 m/s). Depth?
750 m
15,000 m
3000 m
1500 m
14.
Which is the correct definition of “Compression”?
Pull together; opposite charges attract.
Material that a wave travels through.
Region where particles are pushed close together.
Sound energy taken in by a surface.
15.
Upper hearing limit with age. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 4
A
B
C
D
16.
True or false? Bats use light to hunt at night.
True
False
17.
Which is the correct definition of “Vibration”?
Rapid back-and-forth movement.
Bouncing back of a wave from a surface.
Component that lights when current flows.
Tube carrying sound to the eardrum.
18.
Sound cannot travel through a ____.
vacuum
liquid
gas
solid
19.
True or false? Sound travels in a vacuum.
True
False
20.
Ultrasound is above ____ Hz.
20
2000
200
20 000
21.
Speed of sound in materials (m/s). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 5
A
B
C
D
22.
Which statement is NOT correct?
Sound travels about 340 m/s in air.
Humans hear 200 000 Hz.
Sound is a longitudinal wave.
Bats use echolocation.
23.
In which material does sound travel fastest?
Water
Steel (a solid)
A vacuum
Air
24.
Which is the correct definition of “Rarefaction”?
Comparison with something familiar.
Complete loop for current to flow.
Region where particles are spread apart.
Charge from gaining electrons.
25.
Which term matches this definition? “Rapid back-and-forth movement.”
Model
Vibration
Ossicles
Pinna
26.
Thunder 6 s after lightning. Distance (340 m/s)?
346 m
2040 m
57 m
20,400 m
27.
Light travels ____ compared with sound.
not
the same
faster
slower
28.
True or false? Humans hear about 20 to 20 000 Hz.
True
False
29.
Sound absorbed by materials (%). About how many times bigger is Foam than Concrete?
Dr Dabour Hub Academy - figure 6
77.0
38.5
57.8
19.2
30.
Echo delay against distance to a wall. At what value of "Distance (m)" is "Delay (s)" greatest?
Dr Dabour Hub Academy - figure 7
170
136
34
102
31.
True or false? Sound travels about 340 m/s in air.
True
False
32.
Speed of sound in materials (m/s). Which has the greatest value?
Dr Dabour Hub Academy - figure 8
Wood
Water
Steel
Air
33.
Echo after 0.5 s in air (340 m/s). Distance?
850 m
170 m
85 m
680 m
34.
Echo after 3 s in air (340 m/s). Distance?
113 m
5100 m
1020 m
510 m
35.
True or false? Sound is faster than light.
True
False
36.
Microphones change sound into ____ signals.
chemical
light
heat
electrical
37.
Which statement is NOT correct?
The cochlea turns vibrations into nerve signals.
Soft materials absorb sound.
Bats use light to hunt at night.
An echo is reflected sound.
38.
Sound travels 3000 m in 2 s. Speed?
15,000 m/s
6000 m/s
1500 m/s
3002 m/s
39.
Sound absorbed by materials (%). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 9
A
B
C
D
40.
True or false? A higher frequency gives a lower pitch.
True
False
41.
Sound absorbed by materials (%). What is the total of all the values?
Dr Dabour Hub Academy - figure 10
138
153
123
77
42.
Which statement is correct?
Sound is a wave of vibrations.
Sound is fastest in air.
The cochlea is in the middle ear.
Sound is transverse.
43.
Which term matches this definition? “A wave of vibrations that needs a medium.”
Medium
Water model
Electric shock
Sound
44.
True or false? An echo is reflected sound.
True
False
45.
Thunder 3 s after lightning. Distance (340 m/s)?
113 m
343 m
10,200 m
1020 m
46.
Upper hearing limit with age. At what value of "Age (years)" is "Upper limit (Hz)" greatest?
Dr Dabour Hub Academy - figure 11
20
50
60
10
47.
Echo delay against distance to a wall. Between which two values of "Distance (m)" did "Delay (s)" change the most?
Dr Dabour Hub Academy - figure 12
136 and 170
34 and 68
68 and 102
102 and 136
48.
Upper hearing limit with age. By how much does "Upper limit (Hz)" change between 10 and 60?
Dr Dabour Hub Academy - figure 13
11,840
11,478
35,158
14,348
49.
True or false? Loud sounds have larger amplitude.
True
False
50.
Sound absorbed by materials (%). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 14
A
B
C
D
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Part of Chapter 3: Sound — see every lesson and quiz in this unit.
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