plsssssss explain about sign convention for spherical mirror
Answers
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sɪɢɴ ᴄᴏɴᴠᴇɴᴛɪᴏɴ ғᴏʀ sᴘʜᴇʀɪᴄᴀʟ ᴍɪʀʀᴏʀ: ... ᴛʜɪs sɪɢɴ ᴄᴏɴᴠᴇɴᴛɪᴏɴ ɪs ᴋɴᴏᴡɴ ᴀs ɴᴇᴡ ᴄᴀʀᴛᴇsɪᴀɴ sɪɢɴ ᴄᴏɴᴠᴇɴᴛɪᴏɴ. sɪɢɴ ɪs ᴛᴀᴋᴇɴ ᴀs – (ɴᴇɢᴀᴛɪᴠᴇ) ғʀᴏᴍ ᴘᴏʟᴇ ᴏғ ᴀ sᴘʜᴇʀɪᴄᴀʟ ᴍɪʀʀᴏʀ ᴛᴏᴡᴀʀᴅs ᴏʙᴊᴇᴄᴛ ᴀʟᴏɴɢ ᴛʜᴇ ᴘʀɪɴᴄɪᴘᴀʟ ᴀxɪs. ᴛʜɪs ᴍᴇᴀɴs sɪɢɴ ɪs ᴀʟᴡᴀʏs ᴛᴀᴋᴇɴ ᴀs – (ɴᴇɢᴀᴛɪᴠᴇ) ɪɴ ғʀᴏɴᴛ ᴏғ ᴀ sᴘʜᴇʀɪᴄᴀʟ ᴍɪʀʀᴏʀ.
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sɪɢɴ ɪɴ ᴛʜᴇ ᴄᴀsᴇ ᴏғ ᴄᴏɴᴄᴀᴠᴇ ᴍɪʀʀᴏʀ:
sɪɴᴄᴇ, ᴏʙᴊᴇᴄᴛ ɪs ᴀʟᴡᴀʏs ᴘʟᴀᴄᴇᴅ ɪɴ ғʀᴏɴᴛ ᴏғ ᴛʜᴇ ᴍɪʀʀᴏʀ ʜᴇɴᴄᴇ ᴏʙᴊᴇᴄᴛ ᴅɪsᴛᴀɴᴄᴇ ɪs ᴛᴀᴋᴇɴ ᴀs ɴᴇɢᴀᴛɪᴠᴇ.
sɪɴᴄᴇ, ᴛʜᴇ ᴄᴇɴᴛʀᴇ ᴏғ ᴄᴜʀᴠᴀᴛᴜʀᴇ ᴀɴᴅ ғᴏᴄᴜs ʟɪᴇ ɪɴ ғʀᴏɴᴛ ᴏғ ᴛʜᴇ ᴄᴏɴᴄᴀᴠᴇ ᴍɪʀʀᴏʀ, sᴏ ʀᴀᴅɪᴜs ᴏғ ᴄᴜʀᴠᴀᴛᴜʀᴇ ᴀɴᴅ ғᴏᴄᴀʟ ʟᴇɴɢᴛʜ ᴀʀᴇ ᴛᴀᴋᴇɴ ᴀs ɴᴇɢᴀᴛɪᴠᴇ ɪɴ ᴛʜᴇ ᴄᴀsᴇ ᴏғ ᴄᴏɴᴄᴀᴠᴇ ᴍɪʀʀᴏʀ.
ᴡʜᴇɴ ɪᴍᴀɢᴇ ɪs ғᴏʀᴍᴇᴅ ɪɴ ғʀᴏɴᴛ ᴏғ ᴛʜᴇ ᴍɪʀʀᴏʀ, ᴛʜᴇ ᴅɪsᴛᴀɴᴄᴇ ᴏғ ɪᴍᴀɢᴇ ɪs ᴛᴀᴋᴇɴ ᴀs – (ɴᴇɢᴀᴛɪᴠᴇ) ᴀɴᴅ ᴡʜᴇɴ ɪᴍᴀɢᴇ ɪs ғᴏʀᴍᴇᴅ ʙᴇʜɪɴᴅ ᴛʜᴇ ᴍɪʀʀᴏʀ, ᴛʜᴇ ᴅɪsᴛᴀɴᴄᴇ ᴏғ ɪᴍᴀɢᴇ ɪs ᴛᴀᴋᴇɴ ᴀs + (ᴘᴏsɪᴛɪᴠᴇ).
ʜᴇɪɢʜᴛ ᴏғ ɪᴍᴀɢᴇ ɪs ᴛᴀᴋᴇɴ ᴀs ᴘᴏsɪᴛɪᴠᴇ ɪɴ ᴛʜᴇ ᴄᴀsᴇ ᴏғ ᴇʀᴇᴄᴛ ɪᴍᴀɢᴇ ᴀɴᴅ ᴛᴀᴋᴇɴ ᴀs ɴᴇɢᴀᴛɪᴠᴇ ɪɴ ᴛʜᴇ ᴄᴀsᴇ ᴏғ ɪɴᴠᴇʀᴛᴇᴅ ɪᴍᴀɢᴇ.
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sɪɢɴ ɪɴ ᴛʜᴇ ᴄᴀsᴇ ᴏғ ᴀ ᴄᴏɴᴠᴇx ᴍɪʀʀᴏʀ:
sɪɴᴄᴇ, ᴏʙᴊᴇᴄᴛ ɪs ᴀʟᴡᴀʏs ᴘʟᴀᴄᴇᴅ ɪɴ ғʀᴏɴᴛ ᴏғ ᴛʜᴇ ᴍɪʀʀᴏʀ ʜᴇɴᴄᴇ ᴏʙᴊᴇᴄᴛ ᴅɪsᴛᴀɴᴄᴇ ɪs ᴛᴀᴋᴇɴ ᴀs ɴᴇɢᴀᴛɪᴠᴇ.
sɪɴᴄᴇ, ᴛʜᴇ ᴄᴇɴᴛʀᴇ ᴏғ ᴄᴜʀᴠᴀᴛᴜʀᴇ ᴀɴᴅ ғᴏᴄᴜs ʟɪᴇs ʙᴇʜɪɴᴅ ᴛʜᴇ ᴄᴏɴᴠᴇx ᴍɪʀʀᴏʀ, sᴏ ʀᴀᴅɪᴜs ᴏғ ᴄᴜʀᴠᴀᴛᴜʀᴇ ᴀɴᴅ ғᴏᴄᴀʟ ʟᴇɴɢᴛʜ ᴀʀᴇ ᴛᴀᴋᴇɴ ᴀs + (ᴘᴏsɪᴛɪᴠᴇ) ɪɴ ᴛʜᴇ ᴄᴀsᴇ ᴏғ ᴄᴏɴᴠᴇx ᴍɪʀʀᴏʀ.
ɪɴ ᴛʜᴇ ᴄᴀsᴇ ᴏғ ᴄᴏɴᴠᴇx ᴍɪʀʀᴏʀ, ɪᴍᴀɢᴇ ᴀʟᴡᴀʏs ғᴏʀᴍᴇᴅ ʙᴇʜɪɴᴅ ᴛʜᴇ ᴍɪʀʀᴏʀ, ᴛʜᴜs ᴛʜᴇ ᴅɪsᴛᴀɴᴄᴇ ᴏғ ɪᴍᴀɢᴇ ɪs ᴛᴀᴋᴇɴ ᴀs ᴘᴏsɪᴛɪᴠᴇ.
ɪɴ ᴛʜᴇ ᴄᴀsᴇ ᴏғ ᴀ ᴄᴏɴᴠᴇx ᴍɪʀʀᴏʀ, ᴀʟᴡᴀʏs ᴀɴ ᴇʀᴇᴄᴛ ɪᴍᴀɢᴇ ɪs ғᴏʀᴍᴇᴅ, ᴛʜᴜs ᴛʜᴇ ʜᴇɪɢʜᴛ ᴏғ ɪᴍᴀɢᴇ ɪs ᴛᴀᴋᴇɴ ᴀs ᴘᴏsɪᴛɪᴠᴇ.
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ᴍɪʀʀᴏʀ ғᴏʀᴍᴜʟᴀ:
ᴍɪʀʀᴏʀ ғᴏʀᴍᴜʟᴀ sʜᴏᴡs ᴛʜᴇ ʀᴇʟᴀᴛɪᴏɴ ᴀᴍᴏɴɢ ᴅɪsᴛᴀɴᴄᴇ ᴏғ ᴏʙᴊᴇᴄᴛ, ᴅɪsᴛᴀɴᴄᴇ ᴏғ ɪᴍᴀɢᴇ ᴀɴᴅ ғᴏᴄᴀʟ ʟᴇɴɢᴛʜ ɪɴ ᴄᴀsᴇ ᴏғ sᴘʜᴇʀɪᴄᴀʟ ᴍɪʀʀᴏʀ. ᴀʟʟ ᴅɪsᴛᴀɴᴄᴇs ᴀʀᴇ ᴍᴇᴀsᴜʀᴇᴅ ғʀᴏᴍ ᴘᴏʟᴇ ᴏғ ᴛʜᴇ ᴍɪʀʀᴏʀ.
ᴛʜᴇ ᴅɪsᴛᴀɴᴄᴇ ᴏғ ᴏʙᴊᴇᴄᴛ ɪs ᴅᴇɴᴏᴛᴇᴅ ʙʏ ‘ᴜ’
ᴛʜᴇ ᴅɪsᴛᴀɴᴄᴇ ᴏғ ɪᴍᴀɢᴇ ɪs ᴅᴇɴᴏᴛᴇᴅ ʙʏ ‘ᴠ’
ғᴏᴄᴀʟ ʟᴇɴɢᴛʜ ɪs ᴅᴇɴᴏᴛᴇᴅ ʙʏ ғ
1/ᴠ - 1/ᴜ = 1/ғ
ʙʏ ᴋɴᴏᴡɪɴɢ ᴀɴʏ ᴛᴡᴏ, ᴛʜᴇ ᴛʜɪʀᴅ ᴄᴀɴ ʙᴇ ᴄᴀʟᴄᴜʟᴀᴛᴇᴅ ᴜsɪɴɢ ᴛʜᴇ ᴍɪʀʀᴏʀ ғᴏʀᴍᴜʟᴀ.
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PLZZ MARK AS BRAINLIEST ✌️✌️♥️♥️!!
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#BE BRAINLY♥️...!!..
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Answer:
hehe
naanum Tamil thaan
which standard