the law of refraction

简明释义

折射定律

英英释义

例句

1.The phenomenon of a straw appearing bent in a glass of water can be explained by the law of refraction.

吸管在水杯中看起来弯曲的现象可以通过折射定律来解释。

2.Understanding the law of refraction is essential for designing lenses in glasses.

理解折射定律对于设计眼镜的镜头是至关重要的。

3.When light passes from air into water, it bends according to the law of refraction.

当光从空气进入水中时，它会根据折射定律弯曲。

4.In physics class, we learned how the law of refraction affects the appearance of objects underwater.

在物理课上，我们学习了折射定律如何影响水下物体的外观。

5.Photographers often utilize the law of refraction when capturing images through glass.

摄影师在通过玻璃拍摄图像时常常利用折射定律。

作文

The phenomenon of light bending when it passes from one medium to another is explained by the law of refraction. This law states that the angle of incidence, which is the angle at which light hits the surface of a new medium, is related to the angle of refraction, which is the angle at which light travels through the new medium. When light travels from air into water, for instance, it slows down and bends towards the normal line, which is an imaginary line perpendicular to the surface at the point of incidence. This bending of light can be observed in many everyday situations, such as when a straw appears to be broken or bent when placed in a glass of water. Understanding the law of refraction is crucial for various applications in optics, including the design of lenses and optical instruments.In essence, the law of refraction can be mathematically described using Snell's Law, which provides a formula to calculate the angles involved based on the refractive indices of the two media. The refractive index is a measure of how much light slows down in a given material compared to its speed in a vacuum. For example, the refractive index of water is approximately 1.33, while that of air is about 1.00. Using Snell's Law, we can predict how much the light will bend as it transitions between these two substances. This principle has vast implications not only in physics but also in various fields such as photography, astronomy, and even medicine. In photography, understanding the law of refraction helps photographers manipulate light to achieve desired effects. For astronomers, telescopes utilize lenses that rely on this law to focus light from distant stars and galaxies, allowing us to explore the universe. In medicine, fiber optics, which depend on the principles of refraction, are used in endoscopes to view inside the human body without invasive surgery.Moreover, the concept of the law of refraction extends beyond just light. It can also be applied to other waves, such as sound waves. When sound travels from air into water, it also changes speed and direction, demonstrating that this law is a fundamental principle of wave behavior. This broader application emphasizes the importance of understanding how waves interact with different mediums in both natural and engineered systems.In conclusion, the law of refraction is a foundational concept in physics that explains how light and other waves behave when they encounter different materials. Its significance permeates various scientific and practical fields, enhancing our understanding of the world around us. Whether it’s witnessing the beauty of a rainbow, capturing a perfect photograph, or exploring the depths of the ocean, the law of refraction plays a pivotal role in shaping our experiences and technological advancements. By mastering this principle, we can unlock new possibilities in science and innovation, ultimately enriching our lives and expanding our horizons.

光在从一种介质传播到另一种介质时发生弯曲的现象可以通过折射定律来解释。这个定律表明，入射角（光线击中新介质表面的角度）与折射角（光线在新介质中传播的角度）之间存在关系。当光从空气进入水中时，例如，它会减速并朝向法线弯曲，法线是指在入射点垂直于表面的假想线。这种光的弯曲可以在许多日常情况下观察到，比如当吸管放在水杯中时，看起来似乎是断裂或弯曲的。理解折射定律对光学中的各种应用至关重要，包括镜头和光学仪器的设计。本质上，折射定律可以通过斯涅尔定律进行数学描述，斯涅尔定律提供了一个公式，可以根据两个介质的折射率计算所涉及的角度。折射率是衡量光在特定材料中相对于其在真空中的速度减慢程度的指标。例如，水的折射率大约为1.33，而空气的折射率约为1.00。使用斯涅尔定律，我们可以预测光在这两种物质之间过渡时的弯曲程度。这一原理不仅在物理学中具有广泛的意义，还在摄影、天文学甚至医学等多个领域中得到应用。在摄影中，理解折射定律有助于摄影师操控光线以实现所需效果。对于天文学家来说，望远镜利用依赖于这一定律的镜头聚焦来自遥远星星和星系的光，使我们能够探索宇宙。在医学中，光纤技术依赖于折射原理，用于内窥镜检查，以无创方式观察人体内部。此外，折射定律的概念不仅限于光。它也可以应用于其他波，例如声波。当声波从空气传播到水中时，它也会改变速度和方向，这表明这一定律是波动行为的基本原理。这种更广泛的应用强调了理解波如何与不同介质相互作用的重要性，无论是在自然系统还是工程系统中。总之，折射定律是物理学中的基础概念，解释了光和其他波在遇到不同材料时的行为。它的重要性渗透到各种科学和实际领域，增强了我们对周围世界的理解。无论是目睹彩虹的美丽、拍摄完美的照片，还是探索海洋深处，折射定律在塑造我们的体验和技术进步中发挥着关键作用。通过掌握这一原理，我们可以开启科学和创新的新可能性，最终丰富我们的生活，拓展我们的视野。