How to find the wavelength and frequency of a wave?

Question

need to know an easier way to find the wavelength and frequency than the book tells me how to do it. 11th grade chemistry honors class.

like the equations. if u have a wavelength of 4.8 x 10^8. what is the frequency. (speed of light= 3.00 x 10^8)

Answer 1

For any wave, the product of the frequency (f) times the wavelength (L) is equal to the propagation velocity (v):

v = f*L

If you know the wavelength and velocity, the frequency is given by:

f = v/L

If you know the frequency and velocity, the wavelength is given by:

L = v/f

For light propagating in a vacuum, of course, v = c = 2.998 *10^8 m/s, but this same relationship holds for sound waves, waves on a string or slinky, seismic waves from an earthquake, etc.. Naturally, the speed of these waves are quite different from c.

Just make sure you use the same units for time and length in all the variables (i.e., if frequency is in hertz (1/sec) then the speed needs to be expressed in distance per second, and if the wavelength is in cm, then the speed needs to be in cm per unit time.)

Answer 2

the standard wave equation is V = fl the place V = velocity of the wave f = frequency of the wave l = wavelength. considering V is a relentless then a low frequency might have an prolonged wavelength and vice versa. one way of observing that's to go with a factor and be conscious a wave passing by way of. the finished length of the waves passing by way of is the variety of waves prolonged by way of the size of each wave. yet distance/ time = velocity.

Answer 3

use the equation V (velocity)= f (frequency) X wavelength

so its 3.00 X 10^8 = f X 4.8 X 10 ^ 8

Answer 4

Wavelength - distance of the wave from peak to peak
Frequency - count the peaks within a timeframe

Answer 5

well, speed of wave = (wavelength)x(frequency)
that should be simple enough
so for your question, it should be
frequency = (3.0x10^8)/(4.8x10^8)
= 6.25 x 10^-1

Answer 6

Are you talking in broadcasted length and frequency? If you need to know about radio activity, search dogpile.com or google.com they both give really good sites to help with that. WIFI (wireless connections use broadcasted waves to pickup internet access points all across America, so if you want it that way check into the dogpile.com =o)

Answer 7

use the formula below:

frequency=speed of light / wavelength
coz,
λ=c*t
λ=c / ۷
۷=c / λ
on putting values, u'll have
۷=.625 hz

hope that helped