Page 256 - Physics Form 5 KSSM_Neat
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Games https://bit. ly/2En68AG l applications
Interactive Interactive Einstein's Photoelectric Theory Einstein's Photoelectric Equation, 1 mv 2 hf = W + max 2 Work function, W = hf 0 = hc Photoelectric current production Solar cells • Light detector of • automatic door Image sensor • ISS solar panel •
KEMENTERIAN PENDIDIKAN MALAYSIA
explained by • •
The higher the light photon frequency, The kinetic energy of photoelectrons is independent of the intensity of the light Photon energy, E = hc l Power, P = nhf
Quantum Physics Photoelectric Effect the higher the kinetic energy of the emitted photoelectrons. The minimum frequency to emit a photoelectron is the threshold The emission of photoelectrons is • • Electron microscope
• • frequency, f 0 • • instantaneous
Quantum Theory of Light Discrete energy packet, E = hf de Broglie’s h hypothesis, l = p
waves with particle properties particles with wave properties
oncept Chain Explanation of black body spectrum Max Planck
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