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Optics and Waves
Effective Wavelength in Doppler Effect and Wavelength Changes Formulas
Effective Wavelength is the changed wavelength of light or sound due to the relative motion between the source and the observer in the Doppler Effect. And is denoted by λ
effective
. Effective Wavelength is usually measured using the Meter for Length. Note that the value of Effective Wavelength is always positive.
Formulas to find Effective Wavelength in Doppler Effect and Wavelength Changes
f
x
Effective Wavelength when Source Moves Away from Observer
Go
f
x
Effective Wavelength when Source Moves towards Observer
Go
List of variables in Doppler Effect and Wavelength Changes formulas
f
x
Velocity of Sound
Go
f
x
Velocity of Source
Go
f
x
Wave Frequency
Go
FAQ
What is the Effective Wavelength?
Effective Wavelength is the changed wavelength of light or sound due to the relative motion between the source and the observer in the Doppler Effect. Effective Wavelength is usually measured using the Meter for Length. Note that the value of Effective Wavelength is always positive.
Can the Effective Wavelength be negative?
No, the Effective Wavelength, measured in Length cannot be negative.
What unit is used to measure Effective Wavelength?
Effective Wavelength is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Effective Wavelength can be measured.
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