การเคลื่อนที่ของแสง แหล่งกำเนิดแสง และเซลล์สุริยะ แสงสว่างจากดวงอาทิตย์ช่วยให้นักเรียนมองเห็นในเวลากลางวัน นักเรียนใช้แสงจาก ไฟฟ้าช่วยให้มองเห็นในเวลากลางคืน นอกจากนี้นักเรียนยังใช้แสงทำประโยชน์ต่างๆ การเรียนรู้เกี่ยวกับแสงจะช่วยให้เข้าใจปรากฏการณ์ต่างๆ ในธรรมชาติ และสามารถนำความรู้มาใช้ประโยชน์ได้มากมาย
การเคลื่อนที่และการเดินทางของแสง
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The movement of the solar cell to light, light sources and lighting from the Sun allows students to see in the daytime. Students use the light from the power supply allows to see at night. In addition, students can also take advantage of making light. In nature and can be used as part of knowledge useful for many. The movement and transportation of light If we observe around us each day to see the journey of light. The sun shines through the clouds and the light that shines through the window, a small beam of light rays is called light that travels in a straight line away from the light source in all directions all the way. And a mobile. Light does not rely on intermediaries in the movement, such as the Sun at the Earth has a speed of approximately 300,0 kilometers per second or 186000 miles per second, but it takes light from the Sun to the Earth is approximately 8.5 minutes light source light source 1 is divided into two categories. Natural light source: light from the Sun, the light from the stars of light from Firefly, origin of the most important lighting that we know is that the Sun. The Sun 150 million kilometres away from Earth. Light travels approximately 300,0 kilometers per second, or 1080 million kilometers per hour concluded that light can travel to the world, using only natural light source 8 minutes 2. Artificial light source is a light source that has been created by humans, such as the light from the lamp from the lamp candle from Tai from the fire, and light source invention that man-made solar cells . The solar cell or photovoltaic (solar cell), a semiconductor device that is responsible for converting sunlight into electricity. Typically, the solar cells that are both light sources from the Sun and other sources combined is called plain. (photovoltaic cell) Solar cells source: http://th. wikipedia. org components of solar cells . Solar energy to illuminate the world claimed. Most of the plants are used in photosynthesis or to cook for humans and animals. In addition, they benefit from the warmth of the Sun and views. If we do not have a storage device. Solar energy is also lost when Sun sunset . Bringing solar energy use requires a device called a solar cell, which is an electronic device that can change the energy of the solar cell, solar power is a phaenkrachok. In front of the plaster with additives phosphorus Behind the plaster. Compounds, silicon and boron Acts as a positive electrode Electricity consumption will be more or less depending on the size and quantity of solar cells, how long is the light that long. Solar cells source: http://school.obec.go.th/science_wp/I_light/solar1.htm solar cells are currently installed on the device and using tools such as watches, calculators. Spacecraft, satellite etc. Who discovered the principle of the solar cell fabrication is a famous analysts of German physics f district-rot. Discovered in 1887 by Specifies whether certain types of substances can have electricity when light received . Called a second photo of Washington lathe Janda (photovoltaic effect ) |
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