Everything Science Grade 12
CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER 16.4 efficiency so that the panels can generate as high a current as possibl ...
16.4 CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER for this observation wasnot understood at the time. Scientists studied ...
CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER 16.4 Figure ?? shows an example of this happening. When anelectron in an ato ...
16.4 CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER absorption spectra for different materials. To get an absorption spectr ...
CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER 16.4 E = hc λ = (6, 63 × 10 −^34 )× (3× 108 ) 642 × 10 −^9 = 3, 1 × 10 −^19 ...
16.4 CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER Colour Wavelength range (nm) violet 390 - 455 blue 455 - 492 green 492 ...
CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER 16.4 What is the energy of the photon? What is the frequency of the photon? ...
16.4 CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER Example 5: Colours and energies of light QUESTION I have some sources w ...
CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER 16.4 For 400 nm: E = hc λ = (6, 63 × 10 −^34 )× (3× 108 ) 400 × 10 −^9 = 4, ...
16.4 CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER Determining velocitiesof galaxies using spectroscopy You have already l ...
CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER 16.4 Activity: The greenhouse effect In pairs try to find thefollowing infor ...
16.5 CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER 16.5 Lasers A laser is a device that produces a special type of light: ...
CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER 16.5 the lifetime of the excited state is very short (theelectron only stays ...
16.5 CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER How a laser works ESCHO A laser works by a process called stimulated em ...
CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER 16.5 ground state excited state ground state excited state laser photon Stim ...
16.5 CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER Material Type Wavelength Uses Helium–Neon gas 632,8 nm scientific resea ...
CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER 16.5 4 1 2 3 5 Source Energy External Laser Beam Figure 16.11: Diagramof a l ...
16.5 CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER As the photons bouncebetween mirrors, they continually pass throughthe ...
CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER 16.5 Activity: Uses of lasers Do research in a libraryor on the Internet on ...
16.5 CHAPTER 16. OPTICAL PHENOMENA; PROPERTIES OF MATTER Chapter 16 — Summary See the summary presentation ( Presentation: VPqph ...
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