What factors affect the speed of a wave?
Answers
Speed of wave depends mainly on four factors. These factors are wavelength, frequency, medium and temperature.
We know from laws of refraction, when a wave travels from rarer to denser medium, the speed of wave slows down. And when it travels from denser to rarer, it speeds up.
The relation of speed of wave with its wavelength and frequency is given by the following:
The speed of a wave in a particular medium remains constant. A higher frequency wave has shorter wavelength.
The speed of a wave also varies with temperature in a given medium. temperature affects the density of the medium and vibrations of the medium particles. Higher the temperature, higher is the speed of wave.
The factors that affect the speed of a wave are wavelength and medium. The correct option is B.
Wavelength and the characteristics of the medium a wave travels through are the two key parameters that affect a wave's speed.
Wavelength is the separation between successive wavepoints, and medium is the substance or material through which the wave is travelling, such as air, water, or solids.
The speed of the wave typically decreases as the wavelength rises. Additionally, the densities, compositions, and properties of various media can vary, which has an impact on how quickly a wave can go through them.
For instance, sound waves move through the air more quickly than they do through water. In disciplines like physics, acoustics, and communications, having an understanding of these elements is essential.
Thus, the correct option is B.
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Your question seems incomplete, the probable complete question is:
What factors affect the speed of a wave?
A) Amplitude and frequency
B) Wavelength and medium
C) Temperature and pressure
D) Velocity and direction
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The yarn is rolling toward the cat, and from the instant the cat first touches
the yarn, it moves 17.5 cm 2 sec, in the direction opposite to the way it was
rolling.
Average speed during the 2 seconds after the bump = 17.5 / 2 = 8.75 cm/s .
Average speed = (1/2) (final speed away from the cat - 1 cm/sec towards the cat)
8.75 cm/s = (1/2) (final speed + 1)
Multiply each side by 2 :
17.5 = final speed + 1
Final speed = 16.5 cm/s
Acceleration = (change in speed) / (time for the change)
Acceleration = (16.5 + 1) / (20) = 0.875 cm/s² .
My confidence level in this one is not excessive, but I'll submit it anyway,
and somebody else can explain to me where I went wrong.
(a) State three other lengths at which this pipe will resonate with the 384-Hz tuning fork. Explain / show your
reasoning​
Answers
Answer:
Three other length for which resonance will occur is 66 cm, 110 cm and 154 cm
Explanation:
As we know that the length of the pipe is 22 cm
Now let say it is in 1st harmonic state so we have
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For N = 1
For N = 2
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2 Carbon dioxide is released into the atmosphere through plant leaves.
3 Carbon dioxide is inhaled by animals.
4 Most ozone is found in the lower atmosphere.
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If it continues long enough, then the object
returns to where it started.
Answer:
If it continues long enough, then the object
returns to where it started.
Explanation:
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Reticular Fiber : - Purpose : Form a scaffolding for other cells
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