Rank from fastest to slowest the following waves according to their speed of pro
ID: 2146158 • Letter: R
Question
Rank from fastest to slowest the following waves according to their speed of propagation:a sound wave, a tsunami, a light wave, an earthquake wave
The increase in height as a tsunami approaches shore is due to
the constructive interference with the wave reflected from shore.
the increase in speed as the wave approaches shore.
the decrease in speed as the wave approaches shore.
the increase in frequency as the wave approaches shore.
In the middle of the Indian Ocean, the tsunami referred to in the passage was a train of pulses approximating a sinusoidal wave with speed 200 and wavelength 150 . What was the approximate period of these pulses?
(in min)
1
3
5
15
If a train of pulses moves into shallower water as it approaches a shore,
the wavelength increases.
the wavelength stays the same.
the wavelength decreases.
The tsunami described in the passage produced a very erratic pattern of damage, with some areas seeing very large waves and nearby areas seeing only small waves. Which of the following is a possible explanation?
The superposition of waves from the primary source and reflected waves produced regions of constructive and destructive interference.
Certain areas saw the wave from the primary source, others only the reflected waves.
A tsunami is a standing wave, and certain locations were at nodal positions, others at antinodal positions.
Explanation / Answer
light, earthquake, sound, tsunami light is the fastest thing known today. earthquake travel around 5 kilometers/second sound travels at around 343 meters/second around room temperature in air ( .33 kilometers/second) tsunami travels anywhere around 80 kilometers/hour (.022 kilometers per second)
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