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Cards (179)
What is the main focus of The PiXL Club resource?
GCSE Physics
, specifically
waves
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What types of waves are discussed in the PiXL Club resource?
Transverse
and
longitudinal
waves
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What is a transverse wave?
Particles move
perpendicular
to wave direction
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Give an example of a transverse wave.
Water waves
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What is a longitudinal wave?
Particles
vibrate in the same
direction
as wave
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Provide an example of a longitudinal wave.
Sound waves
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What happens to particles in a wave?
Particles move
up and down
or
back and forth
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What is wavelength?
The distance between two
identical
points on a wave
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Define amplitude in the context of waves.
Maximum displacement from
undisturbed
position
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What does frequency measure?
Number of waves passing a point
per second
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What is the period of a wave?
Time
taken to produce
one
complete
wave
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How is the displacement of a transverse wave described?
As
peaks and troughs
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How is the displacement of a longitudinal wave described?
As
compressions
and
rarefactions
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What is wave speed?
Speed at which
energy
is transferred by the wave
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What is the formula for wave speed?
v
=
v =
v
=
f
λ
f \lambda
f
λ
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How do you calculate the wave period?
T
=
T =
T
=
1
/
f
1 / f
1/
f
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If a wave has a frequency of 0.5 Hz, what is its period?
2
s
2 s
2
s
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Calculate the wave speed if frequency is 0.5 Hz and wavelength is 0.06 m.
0.03
m
/
s
0.03 m/s
0.03
m
/
s
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Describe the method for measuring the speed of sound in air.
Use a
cannon
and
stopwatch
to measure time
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What is the formula for calculating speed?
S
p
e
e
d
=
Speed =
Sp
ee
d
=
D
i
s
t
a
n
c
e
/
T
i
m
e
Distance / Time
D
i
s
t
an
ce
/
T
im
e
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If sound travels 100 m in 0.3 s, what is its speed?
333.3
m
/
s
333.3 m/s
333.3
m
/
s
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How can sound speed be measured in a laboratory?
Using
microphones
and
measuring
time over
distance
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What is the formula for wave period?
Period
(s) = 1 /
Frequency
(
Hz
)
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If a wave has a frequency of 0.5Hz, what is its period?
2 seconds
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How do you calculate wave speed?
Wave speed =
Frequency
x
Wavelength
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What is the wave speed if frequency is 0.5Hz and wavelength is 0.06m?
0.03 m/s
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What is the method for measuring the speed of sound waves in air?
Fire a cannon and start a
stopwatch
.
Stop the stopwatch when sound reaches the observer.
Use Speed =
Distance / Time
to calculate speed.
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What is the speed of sound calculated over 100m in 0.3s?
333.3
m/s
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How is the speed of ripples on a water surface measured?
Use a ripple tank to create waves.
Adjust
strobe light
frequency
until waves appear stationary.
Measure
wavelength
and
calculate
speed using
v = f x λ
.
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If the frequency of a water wave is 5Hz and the wavelength is 0.6cm, what is the wave speed?
0.03
m/s
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What happens to frequency when a sound wave travels from air to water?
Frequency remains the
same.
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How does wave speed change when sound travels from air to water?
Sound travels
faster
in
water
than
air.
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What is the relationship between wave speed, frequency, and wavelength?
Wave speed
=
Frequency
x
Wavelength
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If a sound wave has a frequency of 260Hz, what is its wavelength in air where speed is 330m/s?
1.27 m
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What is the wavelength of a sound wave in water with a speed of 1500m/s and frequency of 260Hz?
5.77 m
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What happens when light waves strike a boundary?
Reflected
Absorbed
Transmitted
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What is the angle of incidence equal to when light reflects off a mirror?
Angle of reflection
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How do sound waves cause the sensation of sound in the ear?
They cause vibrations in the
ear drum
.
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What is the human hearing range in Hz?
20Hz to
20,000Hz
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How are ultrasound waves used for detection?
Partially
reflected
at
boundaries
.
Time of reflections determines
distance
.
Used in medical imaging and industrial detection.
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See all 179 cards
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