People's Education Edition Physics for Grade 8, Volume 2
People's Education Edition Ninth Grade Physics Complete Book
People's Education Edition Physics for Grade 8, Volume 1
Shanghai Science Edition Ninth Grade Physics
Shanghai Science Edition 8th Grade Physics
Lu Jiao Edition Ninth Grade Physics Volume 2
Lu Jiao Edition Ninth Grade Physics Volume 1
Beijing Normal University eighth grade physics volume one
Lu Ke Edition High School Physics Compulsory Course One
Guangdong and Shanghai Edition Ninth Grade Physics Volume 1
Beijing Normal University Ninth Grade Physics Volume 1
People's Education Press High School Physics Compulsory Course II
Beijing Normal University Ninth Grade Physics Volume 2
Lu Jiao Edition Eighth Grade Physics Volume 2
Guangdong and Shanghai Edition Ninth Grade Physics Volume 2
Lu Jiao edition eighth grade physics volume 1
Category | Format | Size |
---|---|---|
Shanghai Science Edition 8th Grade Physics | pptx | 6 MB |
Description
"Dispersion of Light" Colorful Light PPT Courseware 4
1. Dispersion of light
Experimental exploration:
Animation demo:
Think about it: How many colors are mixed together in sunlight?
Experiments show that sunlight can be decomposed into seven colors of light: red, orange, yellow, green, blue, indigo, and violet.
Why does a rainbow appear in the sky?
Sunlight is produced by reflection and refraction through water droplets.
2. The “three primary colors” of light
animation demonstration
Red, green, and blue cannot be obtained by mixing other colors of light, but other colors of light can be obtained by mixing red, green, and blue in different proportions.
Experiments show that red, green and blue are the "three primary colors" of light
Question: How are the images of color TV programs produced?
3. Color of objects
1. Color of transparent objects
Experiments show that the color of transparent objects is the same as the color of the transmitted colored light.
2. Color of opaque objects
A colored opaque object reflects light of its own color. The color of an opaque object reflects the light it reflects.
Knowledge review
dispersion of light
light color
Dispersion: Sunlight can be decomposed into seven colors of light: red, orange, yellow, green, blue, indigo, and violet.
Three primary colors of light: red, green, and blue
Mixture of light:
color of object
The color of a transparent object: the same color as the light that passes through the object.
Color of an opaque object: The same color as the light reflected by the object.
The three primary colors of pigments: red, yellow, and blue
Color matching:
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For more information about the PPT courseware "Colorful Light Dispersion of Light", please click the Colorful Light ppt Dispersion of Light ppt tag.
"Dispersion of Light" Light Phenomenon PPT Courseware 10:
"Dispersion of Light" Light Phenomenon PPT Courseware 10 1. Dispersion Question: How is a rainbow formed? Answer: There are a large number of tiny water droplets suspended in the sky after a rain. When sunlight hits these small water droplets, dispersion occurs and is broken down into brilliant seven-color light. So sometimes I...
"Dispersion of Light" Light Phenomenon PPT Courseware 9:
"Dispersion of Light" Light Phenomenon PPT Courseware 9 Review the past and learn the new 1. When light is incident from the air into the glass obliquely, the refracted light is deflected in the direction of the ______ normal. (fill in closer or farther away) 2. A beam of light is incident obliquely to Draw the refraction of light on a glass prism (as shown below). Teaching..
"Dispersion of Light" Colorful Light PPT Courseware 3:
"Dispersion of Light" Colorful Light PPT Courseware 3 [Experience] Dispersion of Light Activity 1. Prepare water, a container, a plane mirror, and a paper screen. Place the device as shown in the figure, and adjust the mirror angle to refract sunlight onto the white paper screen. Observe the color of the light on the paper screen. Activity 2. Put the CD...
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Update Time: 2024-10-27
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