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Chapter 22: Light
What is light? ,[object Object],[object Object],[object Object]
Why are EM waves really transverse waves? ,[object Object],[object Object]
How are EM waves produced? ,[object Object],[object Object],[object Object],[object Object]
How do you calculate the speed of light? ,[object Object],[object Object],[object Object],[object Object]
Math Break ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
A. EM Radiation ,[object Object],[object Object],[object Object],[object Object],[object Object]
A. EM Radiation ,[object Object],[object Object],[object Object],[object Object]
B. EM Spectrum long   low  f low energy short   high  f high energy
C. Types of EM Radiation ,[object Object],[object Object]
C. Types of EM Radiation ,[object Object],[object Object],[object Object],[object Object],[object Object]
C. Types of EM Radiation ,[object Object],[object Object],[object Object],[object Object]
C. Types of EM Radiation ,[object Object],[object Object],[object Object],R O Y G. B I V red orange yellow green blue indigo violet
C. Types of EM Radiation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
C. Types of EM Radiation ,[object Object],[object Object]
Warm-up ,[object Object],Properties I would……
C. Types of EM Radiation ,[object Object],[object Object],[object Object]
C. Types of EM Radiation ,[object Object],[object Object],[object Object],[object Object],Radiation treatment using radioactive cobalt-60.
Warm-up ,[object Object]
Interactions of Light ,[object Object]
Reflection ,[object Object],[object Object],[object Object]
Types of Reflection ,[object Object],[object Object]
Law of Reflection
 
Absorption ,[object Object],[object Object]
Scattering ,[object Object]
Refraction ,[object Object],[object Object],[object Object]
B. Refraction ,[object Object],[object Object],[object Object]
B. Refraction ,[object Object],View  explanation.
Optical Illusions ,[object Object]
Follow the pink dots and they remain pink; stare at the black center and they become green
 
Face or flowers
Do you see the man’s head?
Do you see a musician or girl’s face?
How many people you see in the picture?
Find the man’s face
Is this picture moving?
Horse on a rock?
Rabbit or Duck?
Can you count the black dots?
Diffraction ,[object Object],[object Object],[object Object]
C. Diffraction ,[object Object],[object Object],[object Object]
Interference ,[object Object],[object Object],[object Object]
D. Interference ,[object Object],[object Object],[object Object]
E. Cool Applications! ,[object Object],[object Object],[object Object]
E. Cool Applications! ,[object Object],[object Object],View  animation and explanation of the “Broken Pencil.”
E. Cool Applications! ,[object Object],[object Object]
E. Cool Applications! ,[object Object],[object Object],[object Object],[object Object]
E. Cool Applications! ,[object Object],[object Object]
E. Cool Applications! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
A. Light and Matter ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
B. Seeing Colors ,[object Object],[object Object],[object Object],[object Object],[object Object],REFLECTS ALL COLORS ABSORBS ALL COLORS
B. Seeing Colors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Stimulates red & green cones Stimulates all cones
B. Seeing Colors ,[object Object],[object Object],Test for red-green color blindness.
C. Mixing Colors ,[object Object],[object Object],[object Object],[object Object],View  Java Applet on primary light colors . ,[object Object]
C. Mixing Colors ,[object Object],[object Object],View  Java Applet on filters .
C. Mixing Colors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
C. Mixing Colors Light Pigment When mixing pigments, the color of the mixture is the color of light that  both  pigments reflect.
 
Negative Afterimage - One set of cones gets tired, and the remaining cones produce an image in the complimentary color.

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