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virtual image

/ˈvɜːrtʃuəl ˈɪmɪdʒ/

翻译: 光学中由光线反向延长线(或虚光线)相交形成的像,不能呈现在屏幕上,常见于平面镜和透镜成像。

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phrase

/ˈvɜːrtʃuəl ˈɪmɪdʒ/C1formalscientific
  • zh光学中由光线反向延长线(或虚光线)相交形成的像,不能呈现在屏幕上,常见于平面镜和透镜成像。

An optical term referring to an image formed by the apparent divergence of light rays from a point, such as in a mirror or lens, which cannot be projected onto a screen.

  1. Optical phenomenonC1formal

    An image formed by the apparent divergence of light rays from a point, which cannot be projected onto a screen.

    zh虚像

    • A plane mirror always produces a virtual image.
    • The virtual image in a convex mirror appears smaller than the object.
    • When you look into a spoon, you see a virtual image of yourself.