(299 792 458 m / s). Answer: Planck’s Equation When you look at light, you know that it refracts, diffracts, and interferes. 1) Calculate the energy of a photons which has a wavelength of 2.3 μm. E = (6.626 x 10-34 J.s)(3.0 x 10 8 m/s) / 2.3 x 10-6 m. E = 8.64 x 10-20 J. This becomes: #sf(E=(hc)/lambda)# #sf(c)# is the speed of light = #sf( 3.00xx10^(8)color(white)(x)"m/s")# #sf(lambda)# is the wavelength Calculate the energy of the photon using the wavelength and frequency along with the Planck constant (6.6261 × 10 −34 J*s) and speed of light. Calculate the energy in kilocalorie per mol of the photons of an electromagnetic radiation of wavelength 7 6 0 0 A ˚. This example problem demonstrates how to find the energy of a photon from its frequency. Frequency is related to wavelength by λ … Photon Energy and Wavelength. The energy of light (or photon energy), E, is inversely proportional to the wavelength by the equation: E = hc/ l (equation 1) where h is Planck's constant (6.6261 x 10-34 J*s) and c is the speed of light (2.9979 x 10 8 m/s). (299 792 458 m / s). 2) Calculate the wavelength which has a photon with an energy of 6.0 x 10 -20 J. Just plug all 4 pieces of information into the formula above. The energy associated with a single photon is given by E = h ν, where E is the energy (SI units of J), h is Planck's constant (h = 6.626 x 10 –34 J s), and ν is the frequency of the radiation (SI units of s –1 or Hertz, Hz) (see figure below). In simple words, with the ease of this online tool, you can explore the relationship between the frequency, wavelength and the energy. To use this online calculator for Energy of photon, enter Wavelength of photon (λ) and hit the calculate button. To find the energy of a photon you use the Planck Expression: #sf(E=hf)# #sf(h)# is the Planck Constant which = #sf(6.63xx10^(-34)color(white)(x)J.s)# #sf(f)# is the frequency. If you want to know how to calculate energy, or even understand the Planck’s equation, keep reading. Calculator that calculate the photon energy using Plancks constant. A photon is characterized by either a wavelength, denoted by λ or equivalently an energy, denoted by E. There is an inverse relationship between the energy of a photon and the wavelength of the light given by the equation. Answer: We replaced the wavelength, Plank's constant and the speed of light in the photon's energy equation. An online photon energy calculator that allows you to calculate the energy of a photon from its wavelength (ƛ) & frequency (f). View solution A near UV photon of 3 0 0 n m is … Energy of Photon (E) =hc/λ or E =hv Where, h=planck's constant (6.6260695729x10-34) c=velocity of light ( 2.99792458x10 8) λ=Wavelength v=Frequency Related Articles: Learn how to calculate energy of photon using planck's constant? Here is how the Energy of photon calculation can be explained with given input values -> 1.986E-18 = [hP]*[c]/1E-07 . An photon energy calculator enables you to understand and delve into the relationship between a photon’s energy, frequency, and wavelength. Problem: The red light from a helium-neon laser has a frequency of 4.74 x 10 14 Hz.