refraction

简明释义

英[rɪˈfrækʃn]美[rɪˈfrækʃ(ə)n]

n. 折射；折光

英英释义

单词用法

同义词

反义词

例句

1.At all angles less than the critical Angle, both reflection and refraction occur.

对于所有小于临界角的入射角，则既发生反射，又发生折射。

2.One source of error is refraction, the bending of light beams as they pass through air layers of different temperature and pressure.

误差的一个来源是折射，即光束通过不同温度和压力的空气层时发生的弯曲现象。

3.The bending of the light rays is caused by refraction .

光线的弯曲是由折射造成的。

4.Over water the diurnal change in refraction is likely to be small.

在水面上，折光的周日变化可能是很小的。

5.A sundog is another atmospheric optical phenomenon caused by the refraction of sunlight by tiny ice crystals in clouds.

幻日是阳光通过云层中微小冰晶的折射而造成的另一种大气光学现象。

6.If water had a negative index of refraction, then a straw placed in a glass would appear to bend back under itself.

如果水具有负折射率，那么放在玻璃杯中的吸管似乎可能弯曲到自身下方。

7.The Chinese also launched weather balloons near their theodolites to measure atmospheric temperature and pressure changes to better estimate refraction errors.

中国还在经纬仪附近发射了气象气球来测量大气温度和压力变化，以更好地估计折射误差。

8.Lonely night, the boundless world, there will always be a gleam of light refraction for you, slowly forget the past.

寂寞的黑夜里，无边的世界，总会有一线曙光为你而折射，慢慢的忘记过去。

9.The rainbow looks curved. These are some examples of light refraction.

彩虹看起来是弯曲的。这是一些光的折射的例子。

10.The phenomenon of refraction can create beautiful optical illusions.

折射现象可以创造出美丽的光学错觉。

11.The bending of light as it passes through water is an example of refraction.

光线通过水时的弯曲是折射的一个例子。

12.When a straw appears bent in a glass of water, that’s due to refraction.

当吸管在水杯中看起来弯曲时，这就是由于折射。

13.In physics, refraction is crucial for understanding wave behavior.

在物理学中，折射对于理解波动行为至关重要。

14.Scientists study refraction to understand how lenses work in glasses.

科学家研究折射以理解眼镜中镜头的工作原理。

作文

Refraction is a fundamental concept in physics that describes the bending of light as it passes from one medium to another. This phenomenon occurs because light travels at different speeds in different materials. For example, when light enters water from air, it slows down, which causes it to change direction. This bending of light is what we refer to as refraction (折射). Understanding refraction (折射) is essential not only in physics but also in various practical applications such as optics, photography, and even everyday experiences like seeing a straw appear bent in a glass of water.The study of refraction (折射) can be traced back to ancient civilizations, where philosophers and scientists began to explore how light interacts with different materials. One of the earliest recorded studies was conducted by the Greek philosopher Euclid, who wrote about the properties of light and its behavior. However, it was not until the work of scientists like Willebrord Snellius in the 17th century that the laws governing refraction (折射) were formally defined. Snell's Law, which relates the angles of incidence and refraction to the indices of refraction of the two media, is a cornerstone of optical physics.In practical terms, refraction (折射) can be observed in many everyday situations. For instance, when you place a pencil in a glass of water, it appears to be broken or bent at the surface. This optical illusion is a direct result of refraction (折射). Similarly, rainbows are formed through the refraction (折射) of sunlight in raindrops, where the light is refracted and then dispersed into its constituent colors.In the field of optics, understanding refraction (折射) is crucial for designing lenses used in glasses, cameras, and microscopes. Lenses are shaped specifically to manipulate light through refraction (折射), allowing us to focus images, magnify objects, or correct vision. The design and material of a lens determine its index of refraction, which influences how it bends light. For example, high-index lenses are thinner and lighter while providing the same optical power as thicker lenses made from lower-index materials.Moreover, refraction (折射) plays a significant role in telecommunications, particularly in fiber optics. In fiber optic cables, light signals are transmitted over long distances with minimal loss. This is achieved through total internal refraction (折射), where light is kept within the core of the fiber by continuously reflecting off the boundary between the core and the cladding. This technology has revolutionized communication, enabling high-speed internet and efficient data transmission.In conclusion, refraction (折射) is not just a theoretical concept but a practical phenomenon that affects our daily lives in numerous ways. From the simple act of observing a bent straw to the complex technologies used in modern communication, refraction (折射) is an integral part of our understanding of light and its interactions with the world around us. By studying refraction (折射), we gain valuable insights into the nature of light, enhancing our ability to utilize it in various scientific and technological advancements.

折射是物理学中的一个基本概念，描述了光在从一种介质进入另一种介质时的弯曲现象。这种现象发生是因为光在不同材料中的传播速度不同。例如，当光从空气进入水中时，它会减速，从而导致方向变化。光的这种弯曲被称为refraction（折射）。理解refraction（折射）不仅在物理学中至关重要，而且在光学、摄影以及日常体验中也有许多实际应用，比如看到水杯中的吸管似乎弯曲。对refraction（折射）的研究可以追溯到古代文明，当时的哲学家和科学家开始探索光与不同材料的相互作用。其中最早的记录之一是希腊哲学家欧几里得的研究，他写到了光的性质及其行为。然而，直到17世纪，威勒布罗德·斯内尔等科学家的工作才正式定义了治理refraction（折射）的定律。斯内尔定律将入射角和折射角与两个介质的折射率联系起来，是光学物理学的基石。在实际应用中，refraction（折射）可以在许多日常情况下观察到。例如，当你把铅笔放入一杯水中时，它看起来在水面处是断裂或弯曲的。这种光学错觉直接源于refraction（折射）。类似地，彩虹的形成就是通过阳光在雨滴中的refraction（折射）实现的，光线被折射并分散成其组成颜色。在光学领域，理解refraction（折射）对于设计眼镜、相机和显微镜中使用的镜头至关重要。镜头的形状专门设计用于通过refraction（折射）来操控光线，使我们能够聚焦图像、放大物体或矫正视力。镜头的设计和材料决定了其折射率，这影响了它如何弯曲光线。例如，高折射率镜头比低折射率材料制成的厚镜头更薄、更轻，但能提供相同的光学功率。此外，refraction（折射）在电信领域也发挥着重要作用，特别是在光纤通信中。在光纤电缆中，光信号以极小的损耗传输长距离。这是通过总内refraction（折射）实现的，其中光线通过不断地反射在光纤的核心和包层之间保持在核心内。这项技术彻底改变了通信，使高速互联网和高效数据传输成为可能。总之，refraction（折射）不仅是一个理论概念，更是一种影响我们日常生活的实用现象。从简单的观察弯曲吸管到现代通信中使用的复杂技术，refraction（折射）是我们理解光及其与周围世界相互作用的重要组成部分。通过研究refraction（折射），我们获得了对光的本质的宝贵见解，增强了我们在各种科学和技术进步中利用光的能力。