Photoelectric Effect Calculator

Photon Frequency (f) in Hz:

Work Function (Φ) in eV:

Material:

E = hf = Φ + KE_max

h = 6.626×10⁻³⁴ J⋅s = 4.136×10⁻¹⁵ eV⋅s

Wavelength (λ) in nm:

Light Color:

Work Function (Φ) in eV:

c = λf

E = hc/λ

c = 3×10⁸ m/s (speed of light)

Maximum Kinetic Energy (KE_max) in eV:

Electron Charge (e):

V_s = KE_max / e

Minimum voltage to stop the most energetic photoelectrons

Work Function (Φ) in eV:

f_0 = Φ/h

λ_0 = hc/Φ

Minimum frequency/maximum wavelength for electron emission

☀️ Photoelectric Effect Calculator