Everything Science Grade 11
CHAPTER 13. GEOMETRICAL OPTICS 13.2 parallel rays of light enter the lens rays are focused at the same point (a) A converging le ...
13.2 CHAPTER 13. GEOMETRICAL OPTICS can pass through the lens either from right to leftor left to right, there is afocal point o ...
CHAPTER 13. GEOMETRICAL OPTICS 13.2 F 1 O F 2 Principal axis Figure 13.5: Light rays bend towards each otheror converge when the ...
13.2 CHAPTER 13. GEOMETRICAL OPTICS is greater than 2 f and adjust the positionof the screen until a sharp focused image is obta ...
CHAPTER 13. GEOMETRICAL OPTICS 13.2 Questions: Compare the valuesfor (a) and (b) above andexplain any similarities or differenc ...
13.2 CHAPTER 13. GEOMETRICAL OPTICS Object Image F 1 F 2 O R 1 R 3 R 2 f f f f Figure 13.8: An objectis placed at a distance equ ...
CHAPTER 13. GEOMETRICAL OPTICS 13.2 The image of an object placed at a distance between 2 f and f from the lens is upside down o ...
13.2 CHAPTER 13. GEOMETRICAL OPTICS expect the light rays to travel from the object tothe lens. The image distance diis the dist ...
CHAPTER 13. GEOMETRICAL OPTICS 13.2 1 f = 1 do + 1 di 1 4 = 1 6 + 1 di 1 4 â 1 6 = 1 di 3 â 2 12 = 1 di di = 12 cm Step 3 : Calc ...
13.2 CHAPTER 13. GEOMETRICAL OPTICS R 1 goes from the top of the object parallel to theprincipal axis, throughthe lens and thro ...
CHAPTER 13. GEOMETRICAL OPTICS 13.2 SOLUTION Step 1 : Draw the picture to setup the problem Draw the lens, principalaxis, focal ...
13.2 CHAPTER 13. GEOMETRICAL OPTICS Step 3 : Draw the image Image F 1 Object F 2 O Step 4 : Measure distance to image The image ...
CHAPTER 13. GEOMETRICAL OPTICS 13.2 An object, 20 mm high, is 80 mm from a convex lens with focal length50 mm. Draw an accurate ...
13.2 CHAPTER 13. GEOMETRICAL OPTICS Unlike converging lenses, the type of images created by a concave lens is not dependent on t ...
CHAPTER 13. GEOMETRICAL OPTICS 13.2 Example 4: Locating the image position for a diverging lens: I QUESTION An object is placed ...
13.2 CHAPTER 13. GEOMETRICAL OPTICS F 1 Object Image O F 2 R 1 R 2 R 3 Step 4 : Measure the distance to the object The distance ...
CHAPTER 13. GEOMETRICAL OPTICS 13.3 More practice video solutions or help at http://www.everythingscience.co.za (1.) 00ru (2.) 0 ...
13.3 CHAPTER 13. GEOMETRICAL OPTICS Tasks Is the image on the retina right-side up or upside down? Explain why. Draw a simple l ...
CHAPTER 13. GEOMETRICAL OPTICS 13.3 F Fâ Figure 13.15: Normal eye Figure 13.16: Normal eye short-sightedness long-sightedness a ...
13.4 CHAPTER 13. GEOMETRICAL OPTICS (a) Long-sightedness : Light rays are focused in behind the retina. (b) Long-sightedness cor ...
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