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单词 θ76306
释义
the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > [noun] > speed of light (10)
light speed1856

The speed of light.

eikonal1923

The optical path length of a ray between specified points in the object and image spaces; more widely, a function of position denoting the time…

Subcategories:

— instrument for measuring (1)
— experiment (2)
— as limit (1)
— distances travelled (2)
— time taken (1)
— slowing (1)
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更新时间:2024/12/22 20:59:04