Question

what are the things she should notice in concave mirror while making numericals on it ?​

Answer 1

Iɴ ᴄᴏɴᴄᴀᴠᴇ ᴍɪʀʀᴏʀ :

➡ᴜ (ᴅɪsᴛᴀɴᴄᴇ ᴏғ ᴏʙᴊᴇᴄᴛ ғʀᴏᴍ ᴍɪʀʀᴏʀ) = -ᴠᴇ

➡ᴠ (ᴅɪsᴛᴀɴᴄᴇ ᴏғ ɪᴍᴀɢᴇ ғʀᴏᴍ ᴍɪʀʀᴏʀ)=-ᴠᴇ ʙᴜᴛ +ᴠᴇ ᴡʜᴇɴ ᴏʙᴊᴇᴄᴛ ɪs ʙᴇᴛᴡᴇᴇɴ Fᴏᴄᴜs ᴀɴᴅ ᴘᴏʟᴇ.

➡F (ғᴏᴄᴀʟ ʟᴇɴɢᴛʜ) = -ᴠᴇ

➡ʜ (ʜᴇɪɢʜᴛ ᴏғ ᴏʙᴊᴇᴄᴛ) = +ᴠᴇ

➡ʜ' (ʜᴇɪɢʜᴛ ᴏғ ɪᴍᴀɢᴇ) = -ᴠᴇ ʙᴜᴛ +ᴠᴇ ᴡʜᴇɴ ᴏʙᴊᴇᴄᴛ ɪs ʙᴇᴛᴡᴇᴇɴ Fᴏᴄᴜs ᴀɴᴅ ᴘᴏʟᴇ.

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Answer 2

Answer:

Objects in the mirror are ..." actually images in the mirror