Science Note Taking (U1 - Physics) PDF

### ***1.1 Introduction to Light*** - - - - - ### ***1.2 Eight Key Properties of Light*** 1. a. 2. b. 3. c. 4. d. 5. e. 6. f. 7. g. 8. h. ### ***1.3 Types of Light Sources*** Type of Light Source How it is produced...

### ***1.1 Introduction to Light*** - - - - - ### ***1.2 Eight Key Properties of Light*** 1. a. 2. b. 3. c. 4. d. 5. e. 6. f. 7. g. 8. h. ### ***1.3 Types of Light Sources*** Type of Light Source How it is produced Advantages Disadvantages Examples -------------------------------- -------------------------------------------------- -------------------------------------------------- ---------------------------------------- -------------------------------------- Incandescence Objecr is heated to a high tempreture Inexpensive Very inefficient, loses energy as heat Light bulbs, glowing metals Electric Discharge Electric current passed through a gas Colored light Light is dim Neon signs Fluorescence UV light converted into visible light Energy efficient, lasts longer than incandescent Contains hazardous mercury Fluorescent tubes Phosphorescence UV light absorbed, visible light released slowly Glow lasts for a period of time Not very bright, fades with time Glow-in-dark items, novelty toys Chemiluminescence Chemical Reaction Portable, durable, inexpensive Single use, light is temporary Glow sticks, Emergency safety lights Bioluminescence Chemical reaction within a living organism Attracts mates, lures prey Limited human applications Fireflies, jellyfish, deep-sea fish Triboluminescence Friction causes crystal breakage ?? ?? Wintergreen life savers (candy glow) Light Emmiitting Diodes (LEDs) Electric current passes through a semi-conductor Very efficient, long-lasting, durable Expensive compared to other bulbs LED bulbs, indicator lights ### ### ***1.4 Laser Light*** - - - - - - - - - - - - - ### ### ***1.5 Geometric Optics and Reflection*** - - - - - - - - - - - - - - - - - - - ### ***1.6 Image Formation with Different Mirrors*** - - - - - - - - - - 1. 2. 3. 4. - - - - - *Object Location* *Image Size* *Image Attitude* *Image Location* *Image Type* ------------------- -------------- ------------------ ------------------- -------------- Beyond C Smaller Inverted In front, Closer Real At C Same Inverted In front, Same Real Between C & F Larger Inverted In front, Further Real At F No Clear Image \- Inside F Larger Upright Behind, Further Virtual - - - - - 1. 2. 3. - - - - - ### ***1.7. Refraction*** - - - - - - - - - - - - - 1. 2. 3. ### ***1.8. Index of Refraction*** - - - - ### ***1.9. Snell's Law*** [*θ*~1~=]{.math.inline} Angle of incidence [\$n\_{1} = \\frac{c}{v\_{1}}\$]{.math.inline} [*θ*~2~=]{.math.inline} Angle of refraction [\$n\_{2} = \\frac{c}{v\_{2}}\$]{.math.inline} - - ### ***1.10. Total Internal Reflection*** - - -  - - - - - - - - - - - - - - - - ### ***1.11. Lenses & the Formation of Images*** - - - - - - - - - - - - - - - - - - - - - - 1. 2. 3. - 1. 2. 3. ### ***1.12. Lens Equation*** - - - - - - - - - - - - - - - - - - ### ***1.13. Lens Applications*** - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  - - - - ### ### ***1.14. The Human Eye*** - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -