Photoelectric Effect

Science > Physics > Photoelectric Effect

Thomson’s Experiment to Find Specific Charge

  • Concept of Work Function
  • Discovery of Electron
  • Effect of Electric Field on cathode ray particles
  • Effect of Magnetic Field on cathode ray particles
  • Determination of Velocity of cathode ray particles
  • Determination of Specific Charge (e/m) ratio

Numerical Problems on Specific Charge

  • To find Specific charge (e/m)
  • To Find the Velocity of Cathode ray Particles
  • To Find Radius of Circular path of Electron in Magnetic Field

Photoelectric Effect

  • What is the Photoelectric Effect?
  • Experiment to Study the Photoelectric Effect
  • Study of the Effect of the Frequency of the Incident Light
  • Study of the Effect of Intensity of Incident Light
  • Study of the Effect of Potential Difference Between the Emitter and Collector
  • Concept of Threshold Frequency and Threshold Wavelength
  • Concept of Saturation Current
  • Concept of Stopping Potential
  • Characteristics of the Photoelectric Effect

Numerical Problems on Photoelectric Effect

  • To Find Work Function, Threshold Frequency, and Threshold wavelength of Metal
  • To Find Frequency and wavelength of a photon

Einstein’s Photoelectric Equation

  • Wave and Particle Nature of Light
  • Planck’s Quantum Theory
  • Particle Nature of Electromagnetic Radiations
  • Derivation of Einstein’s Photoelectric Equation
  • Explanation of the Photoelectric Effect on the Basis of the Equation

Numerical Problems on Einstein’s Photoelectric Equation

  • To Find Work Function, Threshold Frequency, and Threshold wavelength of Metal
  • To Find Frequency and wavelength of a photon
  • To Find Maximum Kinetic Energy of Photoelectron
  • To predict the Possibility of Photoemission

Applications of Photoelectric Effect

  • Construction and Working of Photovoltaic Cell
  • Application of Photovoltaic Cell
  • Use of Photoelectric Effect in Luxmeter
  • Use of Photoelectric Effect in Exposure Meter
  • Use of Photoelectric Effect in Sound Track Recording in Motion Picture
  • Use of Photoelectric Effect in Burglar Alarm

Science > Physics > Photoelectric Effect