real image

简明释义

实像

英英释义

例句

1.To demonstrate how lenses work, the teacher showed us how to focus light to create a real image 实像 of an object.

为了演示透镜的工作原理，老师给我们展示了如何聚焦光线以创建物体的实像。

2.In physics class, we learned that a concave mirror can produce a real image 实像 when the object is placed beyond the focal point.

在物理课上，我们了解到，当物体放置在焦点之外时，凹面镜可以产生一个实像。

3.The projector creates a real image 实像 on the screen that everyone can see clearly.

投影仪在屏幕上创建了一个每个人都能清楚看到的实像。

4.When you look through a camera lens, the light rays converge to form a real image 实像 on the film.

当你通过相机镜头看时，光线会聚集在胶卷上形成一个实像。

5.In a photography exhibition, the artist displayed a real image 实像 captured with a vintage camera.

在摄影展览中，艺术家展示了一张用复古相机拍摄的实像。

作文

In the field of optics, the term real image refers to an image that is formed when light rays converge and can be projected onto a screen. Unlike virtual images, which cannot be captured on a physical surface, real images can be seen directly by the human eye and are often used in various applications such as photography, projectors, and microscopes. Understanding the concept of real image is crucial for anyone interested in the science of light and vision.To illustrate this, let’s consider a simple example involving a convex lens. When parallel rays of light pass through a convex lens, they are refracted and converge at a point known as the focal point. If an object is placed beyond the focal point, the lens will produce a real image on the opposite side of the lens. This image is inverted and can be displayed on a screen. The ability to create a real image is one of the fundamental principles behind many optical devices.Moreover, real images possess distinct characteristics that differentiate them from virtual images. For instance, a real image can be larger or smaller than the original object, depending on the distance of the object from the lens. If the object is placed closer to the lens than the focal length, a virtual image is produced instead, which cannot be projected. This property is particularly important in applications like magnifying glasses, where users want to see a larger version of an object.In photography, understanding real images is essential for capturing high-quality photos. A camera lens focuses light to form a real image on the camera sensor or film. The quality of the real image depends on several factors, including the type of lens used, the aperture settings, and the distance between the subject and the camera. Photographers manipulate these variables to achieve the desired effect in their images.In scientific research, real images play a vital role. For example, in microscopy, scientists rely on lenses to create real images of tiny specimens. These images allow researchers to study cellular structures and other microscopic details that would otherwise be invisible to the naked eye. The clarity and accuracy of the real image can significantly impact the findings of a study, making it imperative for scientists to understand how to manipulate light effectively.In conclusion, the concept of real image is not only fundamental to the study of optics but also has practical applications in everyday life. From photography to scientific research, the ability to create and understand real images enhances our ability to observe and interpret the world around us. As technology continues to advance, the principles underlying real images will remain essential for innovations in visual technologies and optical devices. By mastering the concept of real image, individuals can gain a deeper appreciation for the intricate workings of light and its impact on our perception of reality.

在光学领域，术语实像指的是当光线聚焦并可以投影到屏幕上时形成的图像。与虚像不同，虚像无法在物理表面上捕捉到，而实像则可以直接被人眼看到，并且常用于摄影、投影仪和显微镜等各种应用中。理解实像的概念对任何对光和视觉科学感兴趣的人来说都是至关重要的。为了说明这一点，让我们考虑一个涉及凸透镜的简单例子。当平行光线通过凸透镜时，它们被折射并在称为焦点的点上聚焦。如果物体放置在焦点之外，透镜将在透镜的另一侧产生一个实像。这个图像是倒置的，可以显示在屏幕上。创造实像的能力是许多光学设备背后的基本原理之一。此外，实像具有独特的特性，使其与虚像区分开来。例如，实像可以比原始物体更大或更小，这取决于物体与透镜之间的距离。如果物体放置在透镜的焦距内，则会产生虚像，无法被投影。这一特性在放大镜等应用中尤为重要，用户希望看到物体的放大版本。在摄影中，理解实像对捕捉高质量照片至关重要。相机镜头聚焦光线以在相机传感器或胶卷上形成实像。实像的质量取决于多个因素，包括使用的镜头类型、光圈设置以及物体与相机之间的距离。摄影师操纵这些变量以在他们的图像中实现所需的效果。在科学研究中，实像发挥着重要作用。例如，在显微镜学中，科学家依赖透镜来创建微小标本的实像。这些图像使研究人员能够研究细胞结构和其他微观细节，这些细节在肉眼下是不可见的。实像的清晰度和准确性可能会显著影响研究的发现，因此科学家必须理解如何有效地操纵光。总之，实像的概念不仅是光学研究的基础，而且在日常生活中也有实际应用。从摄影到科学研究，创造和理解实像的能力增强了我们观察和解释周围世界的能力。随着技术的不断进步，支撑实像的原理将继续对视觉技术和光学设备的创新至关重要。通过掌握实像的概念，个人可以更深入地欣赏光的复杂运作及其对我们现实感知的影响。