how are curved mirrors formed
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Answer:
Ray tracing
A ray drawn from the top of the object to the mirror surface vertex (where the optical axis meets the mirror) will form an angle with the optical axis. The reflected ray has the same angle to the axis, but on the opposite side (See Specular reflection).
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ʀᴀʏ ᴛʀᴀᴄɪɴɢ
ᴀ ʀᴀʏ ᴅʀᴀᴡɴ ғʀᴏᴍ ᴛʜᴇ ᴛᴏᴘ ᴏғ ᴛʜᴇ ᴏʙᴊᴇᴄᴛ ᴛᴏ ᴛʜᴇ ᴍɪʀʀᴏʀ sᴜʀғᴀᴄᴇ ᴠᴇʀᴛᴇx (ᴡʜᴇʀᴇ ᴛʜᴇ ᴏᴘᴛɪᴄᴀʟ ᴀxɪs ᴍᴇᴇᴛs ᴛʜᴇ ᴍɪʀʀᴏʀ) ᴡɪʟʟ ғᴏʀᴍ ᴀɴ ᴀɴɢʟᴇ ᴡɪᴛʜ ᴛʜᴇ ᴏᴘᴛɪᴄᴀʟ ᴀxɪs. ᴛʜᴇ ʀᴇғʟᴇᴄᴛᴇᴅ ʀᴀʏ ʜᴀs ᴛʜᴇ sᴀᴍᴇ ᴀɴɢʟᴇ ᴛᴏ ᴛʜᴇ ᴀxɪs, ʙᴜᴛ ᴏɴ ᴛʜᴇ ᴏᴘᴘᴏsɪᴛᴇ sɪᴅᴇ (sᴇᴇ sᴘᴇᴄᴜʟᴀʀ ʀᴇғʟᴇᴄᴛɪᴏɴ
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