Question

definition of fo al point​

Answer 1

The focal point of a lens or mirror is the point in space where parallel light rays meet after passing through the lens or bouncing off the mirror. A "perfect" lens or mirror would send all light rays through one focal point, which would result in the clearest image.

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Answer 2

ᴀɴSᴡᴇƦ

Ғᴏᴄᴀʟ ᴘᴏɪɴᴛ:

The focal point of a lens or mirror is the point in space where parallel light rays meet after passing through the lens or bouncing off the mirror.