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Sagot :
The wavelength of wave is 0.15×10⁸m if its frequency is 20Hz.Waves need medium to travel from one place to another.
Expecting a sinusoidal wave moving at a proper wave speed, frequency is conversely corresponding to recurrence of the wave: waves with higher frequencies have more limited frequencies, and lower frequencies have longer wavelengths.
Frequency relies upon the mode (for instance, vacuum, air, or water) that a wave goes through. Instances of waves are sound waves, light, water waves and occasional electrical signs in a conduit.
For electromagnetic wave ,we know an expression
c=ν × λ
where c is the defined as the speed of wave in any medium,
ν is defined as the frequency of the wave and
λ is defined as the wavelength of the wave.
We know that value of c=3×10⁸m/sec and we have v=20Hz
Therefore,3×10⁸=20×λ
=>λ=(3×10⁸)/20
=>λ=0.15×10⁸m
Hence, wavelength of wave is 0.15×10⁸m.
To know more about wavelength, visit here:
brainly.com/question/13533093
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