alliemclain
Answered

Using c=λν and E=hν (Where h or Planck’s constant is 6.626 *10 ⁻³⁴Js). Please find the energy that a wavelength has if it has a wavelength of 3.000*10⁷ nm.

Answer :

JoshEast
 The energy of wave if it has a wavelength of 3.0 × 10⁷ nm is 6.26 × 10⁻²⁴ J.

Attached below, is how to derive that answer.  Note that, E= Energy, λ = wavelength, h = Plank's Constant and C= speed of light

Also, I converted the wavelength from nm to cm.
${teks-lihat-gambar} JoshEast

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