مذكرة الدرس الثاني Quantum Theory and the Atom من وحدة Electrons in Atoms منهج انسباير بحسب الصف الثاني عشر المتقدم في مادة الفيزياء – الفصل الثالث

مذكرة الدرس الثاني Quantum Theory and the Atom من وحدة Electrons in Atoms منهج انسباير Inspire
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و تتضمن العناوين التالية :
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Page 2

· A Particle Model of Waves
· Electromagnetic Radiation from Hot Objects
· Range of Wavelengths
· Color and Temperature
· Total Emitted Energy
· A New Model Based on Packets of Energy

Page 3

· Emission Spectra for Three Different Temperatures

Page 4

· Classical Theory (Electromagnetic Wave Theory)
· Experimental Observations
· Planck&039;s Explanation of the Emission Spectrum
· Energy of Vibration

Page 5

· Changes in Vibrations

Page 6

· Gamma Rays vs.
Radio Waves (Particle-like vs.
Wave-like behavior)

Page 7

· The Photoelectric Effect
· What the Photocell Demonstrates
· How It Works
· Threshold Frequency

Page 9

· Current vs Intensity (Frequency ≥ Threshold Frequency)
· Current vs Intensity (Frequency < Threshold Frequency)
· Current vs Frequency (Constant Intensity)

Page 10

· Definition of the Electron Volt
· Planck and Einstein

Page 11

· Kinetic Energy of the Ejected Electron (Photoelectric Effect)

Page 12

· Threshold Frequency
· Work Function
· Photon Energy

Page 13

· Very Important for Exam (KE vs Frequency Graph)

Page 14

· Note (Zero current at stopping potential)
· Note (Which metal emits?)
· Photoelectron Kinetic Energy from Stopping Potential

Page 16

· How the Camera Uses the Photoelectric Effect

Page 17

· Einstein&039;s Photon Theory
· Properties of a Photon
· Compton&039;s Experiment (1922)

Page 18

· Conservation of Energy and Momentum

Page 19

· Matter Waves (de Broglie Waves)
· Kinetic Energy of a Moving Particle

Page 21

· Example: Electron de Broglie wavelength calculation

Page 22

· Location and Momentum
· Determining the Position of a Particle

Page 23

· The Role of the Compton Effect
· Heisenberg Uncertainty Principle
· Why This Happens

Page 24-25

· Check Your Understanding (Multiple Choice Questions)

Page 30-31

· Note (Two photons of different frequencies on same metal)

Page 42

· The Compton Effect comparison table

Page 44

· Practice Problems

Page 49

· Review Questions (Multiple Choice)