If you decrease the distance between successive crests of a wave, this changesA. The frequency.B. The wavelength.C. The speed.D.
1 answer:
Answer:
option E
Explanation:
The correct answer is option E
Writing the relation between wavelength and frequency
f is the frequency
v is the velocity of wave
λ is the wavelength
From the above expression we can clearly see that frequency is inversely proportional to wavelength.
When the distance between the two successive crest is decreased then wave length of the wave also decrease.
If wavelength of the wave decreases then frequency of the wave increase.
hence, we can say that both wavelength and the frequency changes.
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- The curve shows that the pollutant level in mg/kg of pollutant A is still increasing, hence, groundwater monitoring alone won't be the best decision to make.
- Since the pollutant level is still increasing, then the spill level still need effective monitoring.
- Evacuation of residents seems to be the best decision that should be taken based on the information interpreted on the graph.
Therefore, Evacuating residents to prevent rising death percentage is required as the pollutant level is yet to subside.
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