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What is the relationship of light to the rest of
the electromagnetic spectrum?
光与电磁谱的其余部分有什么关系？
What is refraction and what is its role in
image formation?
折射是什么，它在成像中起什么作用？
What is the connection between lens focal length
and lens strength?
透镜的焦距与透镜度数之间有什么联系？
What does the optometrist measure when he/she
writes a lens prescription?
眼科医生在开透镜处方时测量什么？
How do you determine the focal length?
The image position?
如何确定焦距？像的位置？
How are images formed by mirrors?
镜子是如何成像的？
What is happening when a person is nearsighted?
farsighted? How are these common eye defects corrected?
当一个人患近视或远视时，会发生什么？这些常见的视力缺陷是如何被矫正的？
How does the eye accomodate for close vision?
眼睛如何适应近处的视觉？
How does the eye compare to a camera?
眼睛与相机相比如何？
How can you predict the result when two
colors of light are mixed?
当两种光混合时，如何预测结果？
How does a prism separate light into its
component colors?
棱镜如何将光分解为不同颜色的成分？
What properties and behaviors of light lead us to believe that they are composed of waves?
哪些性质和行为使我们相信光是由波组成的？
What is color? What properties of light are associated
with color?
什么是颜色？哪些光的性质与颜色有关？
What causes the colors we see emerging from a prism?
What causes the colors of the rainbow?
是什么导致了棱镜中出现的颜色？是什么导致了彩虹的颜色？
What other color and light phenomena in the sky
appear to be wave phenomena?
天空中还有哪些颜色和光现象似乎属于波现象？
How do polaroid sunglasses work? Is
polarization a wave phenomenon?
偏振片太阳镜是如何工作的？偏振是波动现象吗？
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