inverse square law

简明释义

平方反比律

英英释义

例句

1.Photographers need to understand the inverse square law (反平方定律) to properly expose their images based on lighting conditions.

摄影师需要理解反平方定律以根据光照条件正确曝光他们的图像。

2.In astronomy, the brightness of a star is often explained by the inverse square law (反平方定律) of distance.

在天文学中，星星的亮度通常通过距离的反平方定律来解释。

3.When calculating gravitational force, we use the inverse square law (反平方定律) to determine how it weakens with distance.

在计算引力时，我们使用反平方定律来确定引力如何随着距离的增加而减弱。

4.The sound level drops off according to the inverse square law (反平方定律) as you move further from the speaker.

当你离扬声器更远时，声音水平根据反平方定律下降。

5.The intensity of light decreases as you move away from the source, following the inverse square law (反平方定律).

光的强度随着远离光源而减弱，遵循反平方定律。

作文

The concept of the inverse square law is a fundamental principle in physics that describes how certain physical quantities decrease in intensity as the distance from a source increases. This law applies to various phenomena, including gravity, light, and electromagnetic forces. Essentially, the inverse square law states that the strength of an effect, such as gravitational pull or illumination, is inversely proportional to the square of the distance from the source. For example, if you double the distance from a light source, the light intensity becomes one-fourth as strong because the distance is squared in the calculation. Understanding the inverse square law is crucial for many scientific fields, including astronomy, engineering, and even medicine. In astronomy, the law helps explain how light diminishes as it travels through space. When observing distant stars, astronomers must account for this decrease in brightness due to the vast distances involved. The same principle applies to the gravitational force between two objects; as the distance between them increases, the gravitational attraction weakens significantly. In practical applications, the inverse square law plays a vital role in designing systems that rely on radiation, such as X-ray machines and radiation therapy in cancer treatment. Medical professionals must understand how radiation intensity decreases with distance to ensure that patients receive the appropriate dosage without unnecessary exposure to harmful levels of radiation. Moreover, the inverse square law can be observed in everyday life. For instance, when you listen to music from a speaker, the sound appears louder when you are close to the speaker. As you move away, the sound diminishes rapidly, demonstrating the principles of the inverse square law. The practical implications of this law extend beyond physics; they influence how we interact with our environment, from adjusting the volume of our devices to ensuring safety around powerful light sources or radiation equipment. In conclusion, the inverse square law is not just a theoretical concept but a practical tool that helps us understand and navigate the world around us. Its applications span across various fields, highlighting its importance in both scientific inquiry and everyday life. By comprehending the inverse square law, we gain insight into the behavior of forces and energies, enabling us to make informed decisions based on the principles of physics. As we continue to explore the universe, the inverse square law will remain a cornerstone of our understanding, guiding future discoveries and innovations.

反平方定律是物理学中的一个基本原则，描述了某些物理量如何随着距离源的增加而强度减弱。该定律适用于多种现象，包括重力、光和电磁力。本质上，反平方定律指出，某种效应的强度，例如引力或照明，和距离的平方成反比。例如，如果你将距离光源的距离加倍，则光的强度将变为原来的四分之一，因为在计算中距离被平方。理解反平方定律对许多科学领域至关重要，包括天文学、工程学甚至医学。在天文学中，该定律有助于解释光在太空中传播时如何减弱。当观察遥远的星星时，天文学家必须考虑到由于涉及的巨大距离而导致的亮度下降。同样的原理适用于两个物体之间的引力；随着它们之间的距离增加，引力显著减弱。在实际应用中，反平方定律在依赖辐射的系统设计中发挥着至关重要的作用，例如X射线机和癌症治疗中的放射疗法。医疗专业人员必须理解辐射强度如何随着距离减小，以确保患者在没有不必要暴露于有害辐射水平的情况下获得适当的剂量。此外，反平方定律可以在日常生活中观察到。例如，当你从扬声器听音乐时，当你靠近扬声器时，声音似乎更响亮。当你远离时，声音迅速减弱，展示了反平方定律的原理。这一定律的实际影响不仅限于物理学，它们影响着我们与环境的互动，从调整设备音量到确保在强光源或辐射设备周围的安全。总之，反平方定律不仅仅是一个理论概念，而是一个实用工具，帮助我们理解和驾驭周围的世界。它的应用跨越多个领域，突显了它在科学探究和日常生活中的重要性。通过理解反平方定律，我们能够深入了解力量和能量的行为，使我们能够根据物理原理做出明智的决策。随着我们继续探索宇宙，反平方定律将始终是我们理解的基石，指导未来的发现和创新。