Question

defined power of Lence
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Answer 1

$\huge \purple A \purple N \purple s \purple W \purple e \purple \R :-$

• ᴛʜᴇ ᴘᴏᴡᴇʀ ᴏғ ᴀ ʟᴇɴs ɪs ᴅᴇғɪɴᴇᴅ ᴀs ᴛʜᴇ ʀᴇᴄɪᴘʀᴏᴄᴀʟ ᴏғ ᴛʜᴇ ғᴏᴄᴀʟ ʟᴇɴɢᴛʜ. ... ᴄᴏɴᴠᴇʀɢɪɴɢ (ᴄᴏɴᴠᴇx ) ʟᴇɴsᴇs ʜᴀᴠᴇ ᴘᴏsɪᴛɪᴠᴇ ғᴏᴄᴀʟ ʟᴇɴɢᴛʜs, sᴏ ᴛʜᴇʏ ᴀʟsᴏ ʜᴀᴠᴇ ᴘᴏsɪᴛɪᴠᴇ ᴘᴏᴡᴇʀ ᴠᴀʟᴜᴇs. ᴅɪᴠᴇʀɢɪɴɢ (ᴄᴏɴᴄᴀᴠᴇ ) ʟᴇɴsᴇs ʜᴀᴠᴇ ɴᴇɢᴀᴛɪᴠᴇ ғᴏᴄᴀʟ ʟᴇɴɢᴛʜs, sᴏ ᴛʜᴇʏ ᴀʟsᴏ ʜᴀᴠᴇ ɴᴇɢᴀᴛɪᴠᴇ ᴘᴏᴡᴇʀ ᴠᴀʟᴜᴇs.

Answer 2

Answer:

$\leqslant hello \geqslant$

power of lens is the ability of the lens to converge the rays of light falling on it.