Physics, 18.08.2019 17:00 nati5720

What is the frequency of blue light that has a wavelength of 446 nm?
i need the answer in hz

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When I went through with the math, the answer I came upon was:
6.67 X 10^14

Here is how I did it: First of all we need to know the equation.

c=nu X lamda
(speed of light) = (frequency)(wavelength)
(3.0 X 10^8 m/s) = (frequency)(450nm)

We want the answer in meters so we need to convert 450nm to meters.
450nm= 4.5 X 10^ -7 m
(3.0 X 10^8 m/s) = (frequency)(4.5 X 10^ -7 m)

Divide the speed of light by the wavelength.
(3.0 X 10^8m/s) / (4.5 X 10^ -7m) =6.67 X 10^ 14 per second or s-

6.67 X 10^14 s- hope this helps

Answer from: coolgirl5679

From Electromagnetic Waves,
Velocity C = f *λ

Where C = Velocity in m/s. = 3 * 10^8 m/s.
f = Frequency in Hertz    ( /s)
   λ = Wavelength in metres.

Wavelength of blue light = 446 nm = 446 nano metres = 446 * 10^-9 m.

f = C / λ = ( 3 *10^8) / (446 * 10^-9) use your calculator.
   = 6.7265 * 10 ^ 14 Hertz.

Answer from: Quest

distance on the y-axis and time on the x-axis.

explanation:

the instantaneous velocity = change in position/time taken

the slope of the graph should give instantaneous velocity.

slope of a graph = change in value of y -axis / change in values of x -axis

comparing both the equations

change in value of y -axis = change in position

change in values of x -axis = time taken

so position values should be on the y axis and time values should be on the x axis.

distance on the y-axis and time on the x-axis.

Answer from: Quest

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods

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What is the frequency of blue light that has a wavelength of 446 nm?
i need the answer in hz...

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