When a compound object is very light RA, light is reflected back to the middle of the so-called reflection or refraction when travelling through an intermediary called refraction. In this article, we came to learn the nature of light when it travels a lot of compound objects, specify.Reflection. (Reflection) Reflection of light when crushing impact phiosathonReflection of light, causing the angle of incidence is the angle that the light falls fall impact perpendicular to the mirror and the reflection is the angle with the light reflected to the perpendicular to the mirror. Rules of reflection, said, "when it happens to every corner of the light reflection fall impact equals the angle of reflection always." Plain mirror. (Plane Mirrors)When an object is in front of the mirror. It will reflect the beam out millions of lines into a mirror, but write a beam while the four agency lines, when the angle of light reflection mirror reflection angle of incidence is equal to the fall. Cause a virtual beam cut the virtual image occurs after each glass. Virtual image behind the mirror is equal to the object and back to the left is right. a. b. A. the occurrence of image in plain mirrorB. the mirror reflection occurred when many area two facing each other.Reflection on rough surfaces (Diffuse Reflection).When the rough surface glare, light is reflected off into several directions.a.b. A. to reflect radio waves on the satellite as a secret agent to reflect on the surface rough.B. rough surface reflection on the diagramThe dry road surface is reflective on the rough surface of the eye, so we have a glare, but when the streets become flooded with water. The surface cause reflection on the smooth surface makes reflection of light from the car to the front of the car, there is only one minority that reflect light into the eye, we make we look after a rainy road is not clear. When light travels from one medium to another with the skin of a fall, the middle one. The light will be reflected back in the original medium. By the light reflected by the surface changes as if the surface glare will be organized, but if the surface is rough, light reflection of the scattered clutter. Comparison of reflection on the smooth surface, and rough skin.Reflection of light rules (Law of Reflection).The angle of incidence is the angle of the rays fall fall impact (Incident ray) to normal (Normal) of phiosathon and a mirror (Reflected ray) is rangsisathon to normal view. Reflection of light with the organization.1. angle of incidence is equal to the angle on residual reflection.2. radiation impact fall Rangsisathon and usually located in the same plane http://www.youtube.com/watch?v=ay_M1jZ41xE&feature=youtu.beConcave mirror image from the mirror and convex mirror from the object distance in phases.Refraction (Refraction).Speed of light in water, and in the lower speed of light แก็ว in the air. Light traveling in a vacuum travels with speedc = 300,000 km/sLight travels at the speed of water in three or four sections of the speed light in a vacuum. Light travels at speed is 40% of the diamonds speed light in a vacuum.การที่แสงหักเหออกไปจากแนวเดิมเมื่อเคลื่อนที่ผ่านตัวกลางต่างชนิดกัน เราเรียกปรากฏการณ์นี้ว่า การหักเหของแสง การเดินทางของแสงเมื่อมีการหักเหแสงทำให้แสงเดินทางระยะทางมากขึ้นแต่ใช้เวลาในการเดินทางน้อยลงเสมอ ตัวอย่างเช่น เมื่อแสงเดินทางจากในน้ำมายังอากาศตามรูปข้างล่างจากจุด B มายังจุด A แสงใช้เวลาในการเดินทางตามเส้นประเนื่องจากใช้เวลาเดินทางตามเส้นประใช้เวลาสั้นกว่าเดินทางตามเส้นทึบเพราะการเดินทางตามเส้นประในน้ำมีระยะสั้นขึ้น ถึงแม้ว่าต้องเดินทางในอากาศยาวขึ้นก็ไม่ทำให้เสียเวลาในการเดินทางของแสง เนื่องจากแสงเดินทางในอากาศได้เร็วกว่าเดินทางในน้ำ Refraction of light occurs to reduce the power of the journey of the light. Refraction of light through the atmosphere of the world makes the phapduang sunset at the higher position is always true. http://www.youtube.com/watch?v=PLpj3dI9y1c&feature=youtu.beEvery time we see a sunset. We saw the Sun for several minutes even though it falls to below the horizon. The atmosphere at a high level, but the world light heavy at ground level. The light travels in the air decreases faster than the air density. The light from the Sun, thus gradually refraction based on the density of the air gradually increased. The Sun, the time when the light from the edge of the horizon on the secrets of the Sun is lower than the rent of the Sun, we see the Sun is an ellipse.Mika ass (Mirage)We are familiar with Mitsubishi's good la chakan. When we drove along the road, we see that there is hot water in the middle of the road, but it happened enough to see the nearby pond, it will be lost. What we see is called La chakoet, where Mitsubishi air from the hot air on the road over the top to make the light coming from the sky, North Bend road, refractive eye; a. b. A. the occurrence of Mitsubishi, Mitsui, La La chorus b. photo village.Of refraction (Cause of Diffraction).From the subject and MIMOZA la chakhang refraction template We can see that the light travels along the path that it takes the least amount of always. Whether that light is your own opinion, but in fact, the real cause of the refraction of light. When light travels from air into water refraction perpendicular to the wave since the left falling to the water before you move slower than the right side, which is still in the air is so light refraction to normal. Compare as if in front of a car wheel, waves from the surface of glass to the ground grass. When rush comes to the floor on the left wheel moves the grass comes to the surface of grass, slower-moving wheel the wheel left to right, which is still in the ground glass. Make the wheel turn back toward perpendicular walls. The cause of the refraction of light waves, the right page because of the movement in the air, it's moving faster than the wave front left side that came to the water first. Thus was born the refraction of light, Ben approached perpendicular. Consequence to vehicle glass toy from tilting toward the ground, you will see that the grass be refractive to perpendicular.Eat a Rainbow (Rainbows).The sky after the rain, beautiful view of the artist, is happy all the time. If we turn back to the Sun to see a rainbow rain drops splashing millions of counter created. Gradually woven colorful drops splashing color Group 7 all acts like a Prism distributes light, white is the color Group 7. http://www.youtube.com/watch?v=a2AKY2ld
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