ملخص 2 الدرس الثاني Matter wave من الوحدة MODULE 22 #: Quantum Theory and the Atom منهج انسباير
· Planck&039;s Theory (Simple Explanation)
· Planck&039;s Main Ideas
· How does the vibration frequency of an atom change if it emits energy...
· The graph shows the intensity of thermal radiation emitted by a blackbody...
· What does an increase in the area under the curve indicate for a blackbody?
· The graph represents the radiation intensity emitted by a blackbody...
· The Photoelectric Cell
· Structure of the Photoelectric Cell
· Two Electrodes (Cathode and Anode)
· Reasons for Using These Materials
· How the Photoelectric Cell Works
· Explain the following (Cesium electrons, red light, ultraviolet radiation)
· Why Maxwell&039;s Theory Failed
· Einstein&039;s Explanation of the Photoelectric Effect
· Work Function (W)
· Threshold Frequency (f₀)
· Important Note (Photon energy, electron volt)
· From the Graph (Bottom Left): Relationships
· Questions on the graph (point d, threshold frequency, wavelength)
· Replacing metal with another metal (slope of the line)
· Condition table (E #< W, E #= W, E #> W)
· Graph for three metals (A, B, C) #– questions (point d, work function, kinetic energy, minimum frequency)
