wien's displacement law

简明释义

维痘移定律

英英释义

例句

1.In astrophysics, wien's displacement law helps scientists determine the surface temperature of stars by analyzing their emitted light.

在天体物理学中，wien's displacement law（维恩位移定律）帮助科学家通过分析星星发出的光来确定其表面温度。

2.According to wien's displacement law, the peak wavelength of radiation emitted by a black body is inversely proportional to its temperature.

根据wien's displacement law（维恩位移定律），黑体辐射发出的波长峰值与其温度成反比。

3.In practical applications, wien's displacement law is crucial for designing infrared cameras that detect heat signatures.

在实际应用中，wien's displacement law（维恩位移定律）对于设计能够探测热信号的红外摄像机至关重要。

4.The formula derived from wien's displacement law can be used to calculate the temperature of an object based on the color of its emitted light.

从wien's displacement law（维恩位移定律）推导出的公式可以用来根据物体发出的光的颜色计算其温度。

5.When studying thermal radiation, physicists often refer to wien's displacement law to understand how temperature affects emission spectra.

在研究热辐射时，物理学家常常引用wien's displacement law（维恩位移定律）来理解温度如何影响发射光谱。

作文

In the realm of physics, particularly in thermodynamics and quantum mechanics, understanding the behavior of blackbody radiation is crucial. One of the key principles that govern this phenomenon is wien's displacement law. This law states that the wavelength at which the emission of a blackbody spectrum is maximized is inversely proportional to the temperature of the blackbody. In simpler terms, as the temperature increases, the peak wavelength shifts to shorter wavelengths. This relationship can be mathematically expressed as λ_max = b/T, where λ_max is the peak wavelength, T is the absolute temperature in Kelvin, and b is Wien's displacement constant, approximately equal to 2898 µm·K.The implications of wien's displacement law are profound, especially in fields such as astronomy and climate science. For instance, when observing stars, astronomers can determine their surface temperatures by analyzing the spectrum of light they emit. A hotter star will emit more light at shorter wavelengths, which can be detected using telescopes equipped with spectrometers. This allows scientists to classify stars and understand their lifecycle stages based on their temperature.Moreover, wien's displacement law plays a significant role in understanding the Earth's climate. The Earth absorbs energy from the sun, which is primarily emitted in the visible spectrum. However, the Earth re-emits this energy in the form of infrared radiation. By applying wien's displacement law, scientists can predict how changes in the Earth's temperature will affect the wavelengths of this emitted radiation. This information is vital for climate models that seek to understand global warming and its impacts on our planet.Furthermore, wien's displacement law has practical applications in various technologies. For example, in the design of thermal imaging cameras, engineers utilize this law to create sensors that can detect infrared radiation emitted by objects based on their temperature. This technology is widely used in military applications, firefighting, and building inspections, where detecting heat signatures is essential.In conclusion, wien's displacement law is not merely a theoretical concept; it has real-world applications that extend across multiple disciplines. Its ability to link temperature and wavelength provides valuable insights into the behavior of matter and energy in our universe. As we continue to explore the mysteries of physics, wien's displacement law remains a fundamental principle that enhances our understanding of the natural world, from the stars above to the climate we experience on Earth.

维恩位移定律在物理学的领域，尤其是在热力学和量子力学中，理解黑体辐射的行为至关重要。支配这一现象的关键原则之一是维恩位移定律。该定律指出，黑体谱发射的最大波长与黑体的温度成反比。简单来说，随着温度的升高，峰值波长会向短波长移动。这个关系可以用数学公式表示为λ_max = b/T，其中λ_max是峰值波长，T是绝对温度（以开尔文为单位），b是维恩位移常数，约等于2898 µm·K。维恩位移定律的影响深远，特别是在天文学和气候科学等领域。例如，在观察恒星时，天文学家可以通过分析它们发出的光谱来确定其表面温度。更热的恒星会在较短的波长上发出更多的光，这可以通过配备光谱仪的望远镜进行检测。这使得科学家能够根据恒星的温度对其进行分类，并了解其生命周期阶段。此外，维恩位移定律在理解地球气候方面也发挥着重要作用。地球吸收来自太阳的能量，这主要以可见光谱的形式发射。然而，地球以红外辐射的形式重新发射这些能量。通过应用维恩位移定律，科学家可以预测地球温度的变化将如何影响这种发射辐射的波长。这些信息对于气候模型至关重要，帮助我们理解全球变暖及其对地球的影响。此外，维恩位移定律在各种技术中的实际应用也不容忽视。例如，在热成像相机的设计中，工程师利用这一法则制造传感器，能够根据物体的温度检测其发出的红外辐射。这项技术广泛应用于军事、消防和建筑检查等领域，在这些领域中，检测热信号至关重要。总之，维恩位移定律不仅仅是一个理论概念；它在多个学科中具有现实世界的应用。它将温度和波长联系起来，为我们提供了关于宇宙中物质和能量行为的宝贵见解。随着我们继续探索物理学的奥秘，维恩位移定律仍然是一个基本原则，增强了我们对自然世界的理解，从天空中的星星到我们在地球上经历的气候。