angle of refraction

简明释义

折射角

英英释义

例句

1.In fiber optics, the angle of refraction 折射角 plays a crucial role in guiding light through the fibers.

在光纤中，折射角 angle of refraction 在引导光线通过光纤中起着至关重要的作用。

2.The angle of refraction 折射角 can be observed when a straw appears bent in a glass of water.

当吸管在水杯中看起来弯曲时，可以观察到折射角 angle of refraction。

3.When light travels from air into water, the angle of refraction 折射角 is determined by Snell's law.

当光从空气进入水中时，折射角 angle of refraction 是由斯涅尔定律决定的。

4.The phenomenon of a rainbow is related to the angle of refraction 折射角 of light in raindrops.

彩虹现象与光在雨滴中的折射角 angle of refraction 有关。

5.Opticians must understand the angle of refraction 折射角 to design effective lenses.

验光师必须理解折射角 angle of refraction 以设计有效的镜片。

作文

The phenomenon of light bending when it passes from one medium to another is a fascinating topic in the field of physics. This bending occurs due to a change in the speed of light as it moves between different materials, such as air and glass. One crucial aspect of this phenomenon is the angle of refraction, which is defined as the angle between the refracted ray and the normal line at the point of incidence. Understanding the angle of refraction is essential for various applications, including optics, photography, and even the design of lenses for glasses and cameras.When light travels from air into water, for example, it slows down and bends towards the normal line, which is an imaginary line perpendicular to the surface at the point of entry. The angle of refraction can be calculated using Snell's Law, which states that the ratio of the sine of the angle of incidence (the angle at which light hits the surface) to the sine of the angle of refraction is constant and depends on the indices of refraction of the two media involved.This relationship can be expressed mathematically as: n1 * sin(θ1) = n2 * sin(θ2), where n1 and n2 are the indices of refraction for the first and second mediums, respectively, and θ1 and θ2 are the angles of incidence and refraction. By manipulating this equation, one can determine the angle of refraction if the other variables are known.The implications of understanding the angle of refraction extend beyond theoretical physics. In practical applications, such as designing optical instruments, engineers must consider how light will behave when passing through different materials. For instance, in creating corrective lenses for eyeglasses, the angle of refraction is critical to ensuring that light is properly focused onto the retina, allowing for clear vision.Moreover, the angle of refraction plays a significant role in various natural phenomena. For example, the beautiful colors seen in a rainbow are a result of light refracting through raindrops. Each color of light has a different wavelength and thus bends at slightly different angles of refraction, leading to the spectrum of colors we observe.In conclusion, the concept of the angle of refraction is fundamental to our understanding of how light interacts with different materials. It is not only a key principle in physics but also has practical implications in everyday technology and natural occurrences. By studying the angle of refraction, we gain insights into the behavior of light and enhance our ability to manipulate it for various purposes, enriching our lives in countless ways.

光在从一种介质传播到另一种介质时弯曲的现象是物理学领域中的一个迷人话题。这种弯曲是由于光在不同材料之间移动时速度的变化，例如空气和玻璃。这个现象的一个关键方面是折射角，它被定义为折射光线与入射点法线之间的角度。理解折射角对于各种应用至关重要，包括光学、摄影，甚至眼镜和相机镜头的设计。当光从空气进入水中时，它的速度减慢，并向法线弯曲，这条法线是从入射点垂直于表面的假想线。可以使用斯涅尔定律来计算折射角，该定律指出，入射角（光线击中表面的角度）的正弦与折射角的正弦之比是恒定的，并且依赖于两种介质的折射率。这个关系可以用数学公式表示为：n1 * sin(θ1) = n2 * sin(θ2)，其中n1和n2分别是第一和第二介质的折射率，而θ1和θ2是入射角和折射角。通过操控这个方程，如果已知其他变量，就可以确定折射角。理解折射角的意义超越了理论物理。在实际应用中，工程师在设计光学仪器时必须考虑光在不同材料中传播时的行为。例如，在制作眼镜的矫正镜片时，折射角对确保光正确聚焦到视网膜上至关重要，从而实现清晰的视觉。此外，折射角在各种自然现象中也起着重要作用。例如，彩虹中看到的美丽颜色是光通过雨滴折射的结果。每种颜色的光具有不同的波长，因此在略微不同的折射角下弯曲，导致我们观察到的颜色谱。总之，折射角的概念是我们理解光如何与不同材料相互作用的基础。它不仅是物理学中的一个关键原理，还有实际应用于日常技术和自然现象。通过研究折射角，我们获得了关于光行为的洞察力，并增强了我们操控光的能力，以满足各种目的，从而以无数种方式丰富我们的生活。