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A photon of blue light has a frequency of 7.50 × 10¹⁴ Hz. The wavelength of the photon in nanometer is 400 nm.
Wavelength is the distance between two same points when a waveform is propagated in a wire or vacuum.
By the formula
[tex]v = \dfrac{c}{\lambda}[/tex]
The v is the frequency, 7.50 × 10¹⁴ Hz
c is the velocity of light in vacuum, 3.00 × 10⁸ m/s
Lambda is the wavelength
Putting the value in the equation
[tex]\lambda = \dfrac{3.00 \times 10^8}{7.50 \times 10^1^4} = 0.4 \times 10^-^6[/tex]
Thus, the wavelength of the photon in nanometer is 400 nm.
Learn more about wavelength
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