total reflection

简明释义

全反射

英英释义

Total reflection refers to the phenomenon that occurs when a wave, such as light, hits a boundary between two different media at an angle greater than a certain critical angle, causing all of the wave to be reflected back into the original medium instead of being refracted.

全反射是指当波(如光)以大于某一临界角的角度撞击两个不同介质之间的边界时,导致所有波被反射回原介质,而不是折射出去的现象。

例句

1.In swimming pools, you can observe total reflection (全反射) at the surface of the water when looking from below.

在游泳池中,当从水下看时,可以观察到水面发生total reflection全反射)。

2.The phenomenon of total reflection (全反射) is crucial in designing optical instruments.

在设计光学仪器时,total reflection全反射)现象至关重要。

3.When light travels from a denser medium to a less dense medium, it can undergo total reflection (全反射) if the angle of incidence exceeds a certain critical angle.

当光从一个密度较大的介质传播到一个密度较小的介质时,如果入射角超过某个临界角,就会发生total reflection全反射)。

4.Fiber optic cables utilize total reflection (全反射) to transmit data over long distances without loss.

光纤电缆利用total reflection全反射)在长距离内传输数据而不损失。

5.The concept of total reflection (全反射) helps explain why we see images clearly in mirrors.

total reflection全反射)的概念有助于解释我们为什么能在镜子中清晰地看到影像。

作文

In the world of physics, light behaves in fascinating ways. One of the most intriguing phenomena is known as total reflection, which occurs when light travels from a medium with a higher refractive index to one with a lower refractive index. This phenomenon can be observed when light passes from water into air. Instead of continuing to travel through the air, the light reflects back into the water, creating a beautiful display of shimmering colors. The concept of total reflection (全反射) is not only significant in understanding optics but also has practical applications in various fields such as fiber optics and telecommunications.The principle behind total reflection can be explained using Snell's Law, which describes how light bends when it enters a different medium. When the angle of incidence exceeds a certain critical angle, all the light is reflected back rather than refracted. This critical angle depends on the refractive indices of the two media involved. For example, the critical angle for light traveling from water to air is approximately 48.6 degrees. When light hits the boundary at an angle greater than this, it undergoes total reflection (全反射), meaning none of the light escapes into the air.The implications of total reflection are profound. In fiber optic technology, this principle allows light to travel long distances with minimal loss. Optical fibers are designed to keep light trapped within them by ensuring that the light strikes the boundary at angles greater than the critical angle. As a result, data can be transmitted at incredible speeds over vast distances, revolutionizing communication technology.Moreover, total reflection (全反射) plays a crucial role in many optical instruments, including binoculars and microscopes. These devices utilize prisms that take advantage of total reflection to redirect light paths, enhancing the user’s experience. By reflecting light multiple times within a prism, these instruments can provide clearer and more magnified images.In nature, total reflection can be observed in various scenarios, such as when sunlight hits the surface of a calm lake. On a clear day, if you look closely, you can see the vibrant colors of the sky and surrounding landscape reflected perfectly on the water's surface. This captivating sight is a result of total reflection (全反射), where the light bounces off the water instead of penetrating it.Understanding total reflection opens up a world of possibilities in both science and art. Artists often use the principles of light and reflection to create stunning visual effects in their works. Photographers, too, leverage these concepts to capture breathtaking images that play with light and shadow.In conclusion, total reflection (全反射) is a remarkable optical phenomenon that has far-reaching implications in both theoretical and practical applications. From advanced technologies like fiber optics to the simple beauty of nature, understanding how light behaves under certain conditions enriches our appreciation of the world around us. As we continue to explore the mysteries of light, the concept of total reflection will undoubtedly remain a fundamental aspect of our scientific journey.

在物理学的世界里,光以迷人的方式表现出来。其中一个最引人入胜的现象被称为全反射,它发生在光从折射率较高的介质传播到折射率较低的介质时。当光从水进入空气时,就可以观察到这种现象。光并没有继续穿过空气,而是反射回水中,创造出美丽的闪烁色彩。全反射total reflection)的概念不仅在理解光学方面具有重要意义,还在光纤和电信等各个领域具有实际应用。全反射的原理可以通过斯涅尔定律来解释,该定律描述了光进入不同介质时的弯曲。当入射角超过某个临界角时,所有光线都会被反射回来,而不是折射出去。这个临界角取决于两个介质的折射率。例如,光从水传播到空气的临界角大约是48.6度。当光以大于这个角度撞击边界时,它会发生全反射total reflection),这意味着没有光线逃逸到空气中。全反射的影响深远。在光纤技术中,这一原理使光能够以极小的损耗长距离传播。光纤的设计确保光线以大于临界角的角度撞击边界,从而使数据能够以惊人的速度传输,彻底改变了通信技术。此外,全反射total reflection)在许多光学仪器中也发挥着至关重要的作用,包括双筒望远镜和显微镜。这些设备利用棱镜利用全反射来重定向光线路径,提高用户的体验。通过在棱镜内反射光线多次,这些仪器可以提供更清晰和放大后的图像。在自然界中,全反射可以在各种场景中观察到,例如,当阳光照射在平静湖面的表面时。在晴朗的日子里,如果你仔细观察,可以看到天空和周围景观的鲜艳色彩完美地反射在水面上。这一迷人的景象就是由于全反射total reflection)造成的,光线在水面上反弹而不是渗透进去。理解全反射为科学和艺术的世界打开了无限可能性。艺术家们常常利用光和反射的原理在他们的作品中创造出惊人的视觉效果。摄影师也利用这些概念捕捉令人惊叹的图像,这些图像玩弄着光和阴影。总之,全反射total reflection)是一种显著的光学现象,在理论和实践应用中具有深远的影响。从先进的光纤技术到自然的简单美,理解光在某些条件下的行为丰富了我们对周围世界的欣赏。随着我们继续探索光的奥秘,全反射的概念无疑将始终是我们科学旅程中的一个基本方面。

相关单词

reflection

reflection详解:怎么读、什么意思、用法