Question

a convex mirror used for rear view on an automobile has a radius of curvature of 3. 00m.if a bus is located at 5.00 from this mirror, find the position, nature and size of the image ​

Answer 1

Answer:

v= +1.15

magnificatio= +0.23

Answer 2

$\huge\underline\bold\red{Answer}$✨✨

ɢɪᴠᴇɴ:-

ʀ=3ᴍ

ғ=ʀ/2=3/2=1.5ᴍ

ᴜ=5ᴍ

ᴠ=?

ᴍɪʀʀᴏʀ ғᴏʀᴍᴜʟᴀ:

1/ғ=1/ᴜ+1/ᴠ

ʙʏ sɪɢɴ ᴄᴏɴᴠᴇɴᴛɪᴏɴs:

1/1.5=1/-5+1/ᴠ

1/ᴠ=1/1.5+1/5⇒6.5/7.5

ᴠ=7.5/6.5

=1.15ᴍ

∴ᴛʜᴇ ɪᴍᴀɢᴇ ɪs ᴠɪʀᴛᴜᴀʟ sᴇᴇɴ ᴀᴛ ᴛʜᴇ ʙᴀᴄᴋ ᴏғ ᴍɪʀʀᴏʀ.

ᴍ=ʜɪ/ʜᴏ=-ᴠ/ᴜ

-1.15/-5=0.23

∴ɪᴍᴀɢᴇ ɪs ᴇʀᴇᴄᴛ ᴀɴᴅ ᴅɪᴍɪɴɪsʜᴇᴅ ɪɴ sɪᴢᴇ ʙʏ ᴀ ғᴀᴄᴛᴏʀ ᴏғ 0.23