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Frequency and period are related inversely. A period P is related to the frequency f. P = 1/f. Something that repeats once per second has a period of 1 s. It also have a frequency of 1/s. One cycle per second is given a special name Hertz (Hz). You may also say that it has a frequency of 1 Hz. A sin function repeats regularly.
Well you use an equation for that... Frequency of a wave is given by the equations: 1.f=1/T where: f is the frequency of the wave in hertz T is the period of the wave in seconds 2.f=v/lambda where: f is the frequency of the wave in hertz v is the velocity of the wave in meters per second lambda is the wavelength of the wave in meters For electromagnetic waves, they all travel at the speed of ...
The equation that relates wavelength, frequency, and speed of light is c = lambda*nu c = 3.00xx10^8 "m/s" (the speed of light in a vacuum) lambda = wavelength in meters nu = frequency in Hertz (Hz) or 1/"s" or "s"^(-1)". So basically the wavelength times the frequency of an electromagnetic wave equals the speed of light. FYI, lambda is the Greek letter lambda , and nu is the Greek letter nu ...
A common unit of frequency is the Hertz, abbreviated as Hz. [Math Processing Error] f = c / λ = wave speed c (m/s) / wavelength λ (m). color (red) ("Period " = 1 / " Frequency " or " T = 1 / f Frequency is the number of occurrences of a repeating event per unit of time. It is also referred to as temporal frequency, which emphasizes the ...
In a sinusoidal model of the form y = a*sin(b(x - c))+d, the period is found by taking (2*pi)/|b|. Frequency is the reciprocal of period. Example: y = 2*sin(3x) would have a period of (2pi)/3, which is one-third the length of the "normal" period of 2pi. Another way to describe this change from the Parent function would be to say that the graph would cycle through 3 times by the time it reaches ...
You can do it like this: The energy of the electron is given by: sf(E_n=-(2.18xx10^(-18))/(n^2)" ""J") Where sf(n) is the principle quantum number. We find the difference between the electrons energy in the sf(n=6) and sf(n=3) levels and then find the frequency of the electromagnetic radiation which this corresponds to.
What you want to do is: 1 s → 1 m → m → nm. Conversion factors are extremely useful, and one easy one to remember is the speed of light, which is about 3 × 108m/s. 1 1 s ⋅ s m = m. And finally, we can convert to nm: 109nm = 1 m → conversion factor: 109nm 1 m. m ⋅ 109nm 1m. Thus, overall, you just have:
The period is =2pi ad the frequency is =1/(2pi) The period T of a periodic function f(x) is f(x)=f(x+T) Here, f(x)=sinx.....(1) Therefore, f(x+T)=sin(x+T) =sinxcosT ...
EXAMPLE. A common laser pointer produces 1.0 mW at a wavelength of 670 nm. Calculate the number of photons produced per millisecond. Solution. Step 1. Calculate the energy of a photon. E = hc λ = 6.626 × 1034J⋅s ×2.998 × 108m⋅s−1 670 × 10−9m = 2.965 ×10−19J. ( 3 significant figures + 1 guard digit) Step 2.
Frequency, f, is the number of oscillations in the unit of time (1 second) and is given as the reciprocal of the Period, T, (which is the time taken for one complete oscillation) so: f = 1 T measured in s−1 called Hertz. Frequency is also related to wavelength, λ, as: c = λ ⋅ f where c is the speed of light.