Light with a frequency of 7.30 x 1014 hz lies in the violet region of the visible spectrum. what is the wavelength of this frequency of light?

From the theory we know that:

c = λ / T

f = 1 / T

Where:

c = 3. / m   (the speed of light)

λ is the wavelengh (in meters)

T is the period (in seconds)

f is the frequency (in Hz)

We were told that:

f = 7.30 .

And we want to find out the value of λ.

c = λ / T  

c = λ . 1/T

Swaping 1/T = f

c = λ . f

λ = c / f

λ = 3 . /  7.30 .

λ = 4.12 m

Response: 4.12 m = 412 nm

:-)

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