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If the frequency of a wave is 25 Hz, the total number of compressions and rarefactions passing through a point
in 1 second is
- a)25
- b)50
- c)100
- d)none of the above
Correct answer is option 'B'. Can you explain this answer?
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Frequency and Wave
Frequency is the number of complete cycles or oscillations of a wave that occur in one second. It is measured in hertz (Hz). A compression is the region in a longitudinal wave where the particles are closest together, while a rarefaction is the region where the particles are farthest apart.
Total Number of Compressions and Rarefactions
To determine the total number of compressions and rarefactions passing through a point in one second, we need to consider the frequency of the wave.
The frequency of a wave tells us how many complete cycles or oscillations occur in one second. In other words, it tells us how many compressions and rarefactions pass through a point in one second.
Since the frequency is given as 25 Hz, it means that there are 25 complete cycles or oscillations occurring in one second.
Since each complete cycle of a wave consists of both a compression and a rarefaction, the total number of compressions and rarefactions passing through a point in one second would be twice the frequency.
Calculating the Total Number
To calculate the total number of compressions and rarefactions passing through a point in one second, we multiply the frequency by 2.
Frequency = 25 Hz
Total Number = 25 Hz * 2 = 50
Hence, the correct answer is option B) 50.
Frequency is the number of complete cycles or oscillations of a wave that occur in one second. It is measured in hertz (Hz). A compression is the region in a longitudinal wave where the particles are closest together, while a rarefaction is the region where the particles are farthest apart.
Total Number of Compressions and Rarefactions
To determine the total number of compressions and rarefactions passing through a point in one second, we need to consider the frequency of the wave.
The frequency of a wave tells us how many complete cycles or oscillations occur in one second. In other words, it tells us how many compressions and rarefactions pass through a point in one second.
Since the frequency is given as 25 Hz, it means that there are 25 complete cycles or oscillations occurring in one second.
Since each complete cycle of a wave consists of both a compression and a rarefaction, the total number of compressions and rarefactions passing through a point in one second would be twice the frequency.
Calculating the Total Number
To calculate the total number of compressions and rarefactions passing through a point in one second, we multiply the frequency by 2.
Frequency = 25 Hz
Total Number = 25 Hz * 2 = 50
Hence, the correct answer is option B) 50.
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