# how to calculate energy using wavelength E = hc / w

• ### How to calculate the wavelength of a wave?

• To calculate the wavelength, you need to know either the frequency or the energy of the radiation. 590 kHz? E = hc 位 or 位 = hc E, where h is Planck’s constant.

• ### How do you calculate laser beam energy from wavelength?

• Energy from Wavelength Problem – Laser Beam Energy. where E = energy h = Planck’s constant = 6.626 x 10 -34 Js 谓 = frequency The second equation is the wave equation, which describes the speed of light in terms of wavelength and frequency: c = 位谓.

• ### How do you find energy from frequency and wavelength?

• It is directly proportional to frequency and inversely proportional to wavelength. To find energy from wavelength, use the wave equation to get the frequency and then plug it into Planck’s equation to solve for energy.

• ### How is the energy of a particle related to wavelength?

• The energy of any body is related to its wavelength by the equation The energy is inversely proportional to the wavelength of the light. The lessened the wavelength, the more is the energy of the particle in a wave. Problem 1: Calculate the energy of the photons emitting red light. Consider the wavelength of the beam of red light to be 698 nm.