JonF
Posts: 634
Joined: Feb. 2005
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| Quote (Joe G @ June 24 2015,14:16) | | Quote (JonF @ June 24 2015,13:13) |
"Frequency is the number of occurrences of a repeating event per unit time.[1] It is also referred to as temporal frequency, which emphasizes the contrast to spatial frequency and angular frequency. The period is the duration of time of one cycle in a repeating event, so the period {not t wavelength - Jonf} is the reciprocal of the frequency.
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For periodic waves in nondispersive media (that is, media in which the wave speed is independent of frequency), frequency has an inverse relationship to the wavelength, λ (lambda). Even in dispersive media, the frequency f of a sinusoidal wave is equal to the phase velocity v of the wave divided by the wavelength λ of the wave:
f = v/λ
In the special case of electromagnetic waves moving through a vacuum, then v = c, where c is the speed of light in a vacuum, and this expression becomes:
f = c/λ
When waves from a monochrome source travel from one medium to another, their frequency remains the same—only their wavelength and speed change."
Words fail me. |
I HAVE TO HAVE IT. I DO NOT HAVE THE WAVE AND YOUR SAY-SO IS MEANINGLESS.
How many fucking times do I have to tell you assholes that?
If someone is looking at a wave- at least one complete wave- on an oscilloscope does that person have both the frequency and wavelength right there in that same wave? Yes or no
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I suppose you will have to repeat it until it becomes true. That'll take some time.
You have the wavelength. Unless, of course, you have some special appliance repairman meaning of "have" other than "to hold in one's use, service, regard, or at one's disposal" http://www.merriam-webster.com/diction....e.
You have (hee hee) the wavelength at your disposal which means:
"able to be used by you; able to help you" http://dictionary.cambridge.org/us....isposal
or
"available for someone to use"
Learner's Dictionary
That last site is especially apropos.
How do you define "have", Joey?
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