A teacher measures the speed of water waves in a ripple tank.
What apparatus should she use?
Ammeter and stopwatch
Newton-meter and ruler
Ruler and protractor
Ruler and stopwatch
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A teacher measures the speed of water waves in a ripple tank.
What apparatus should she use?
Ammeter and stopwatch
Newton-meter and ruler
Ruler and protractor
Ruler and stopwatch
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Which light ray shows the correct reflection from the plane (flat) mirror?
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Look at the diagram of a wave.
What is the wavelength of the wave?
2 cm
3 cm
4 cm
6 cm
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A longitudinal wave passes through a slinky spring.
The coils of the spring vibrate backwards and forwards.
The diagram shows a snapshot of the position of the coils as the wave passes along the spring.
Which pair of coils are one wavelength apart?
W and X
W and Z
X and Y
Y and Z
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Which wave travels as a longitudinal wave?
Light from a torch
Ripples from a stone dropped in water
Sound from a loudspeaker
Ultra-violet from the Sun
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Six wave peaks hit a wall in one minute.
Determine the frequency of the waves.
0.1 Hz
6 Hz
10 Hz
360 Hz
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The table contains descriptions of wavelength and frequency.
Which row in the table is correct?
Wavelength | Frequency | |
A | Distance between a peak and its neighbouring trough. | Number of waves that go past a point in a second. |
B | Distance between neighbouring peaks. | Number of waves that go past a point in a second. |
C | Distance between neighbouring troughs. | Time period in seconds. |
D | Height of the wave. | Number of waves produced. |
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A radio wave has a wavelength of 100 m. It has a speed of 3 × 108 m/s.
Use the equation: Wave speed = Frequency × Wavelength
Calculate the frequency of the wave.
3 MHz
30 MHz
300 MHz
3000 MHz
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