Question

Defind the principal foures of a concabe mirror ​

Answer 1

Explanation:

Light rays that are parallel to the principal axis of a concave mirror converge at a specific point on its principal axis after reflecting from the mirror. This point is known as the principal focus of the concave mirror.

Answer 2

ʟɪɢʜᴛ ʀᴀʏs ᴛʜᴀᴛ ᴀʀᴇ ᴘᴀʀᴀʟʟᴇʟ ᴛᴏ ᴛʜᴇ ᴘʀɪɴᴄɪᴘᴀʟ ᴀxɪs ᴏғ ᴀ ᴄᴏɴᴄᴀᴠᴇ ᴍɪʀʀᴏʀ ᴄᴏɴᴠᴇʀɢᴇ ᴀᴛ ᴀ sᴘᴇᴄɪғɪᴄ ᴘᴏɪɴᴛ ᴏɴ ɪᴛs ᴘʀɪɴᴄɪᴘᴀʟ ᴀxɪs ᴀғᴛᴇʀ ʀᴇғʟᴇᴄᴛɪɴɢ ғʀᴏᴍ ᴛʜᴇ ᴍɪʀʀᴏʀ. ᴛʜɪs ᴘᴏɪɴᴛ ɪs ᴋɴᴏᴡɴ ᴀs ᴛʜᴇ ᴘʀɪɴᴄɪᴘᴀʟ ғᴏᴄᴜs ᴏғ ᴛʜᴇ ᴄᴏɴᴄᴀᴠᴇ ᴍɪʀʀᴏʀ.

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