Focal length of convex mirror whose radius of curvature is 32 cm
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Answer:
we know focal length is half of radius of curvature
so,
focal = radius/2
focal = 32/2
focal = 16
Therefore focal length of convex mirror is 16 cm
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2
ᴀs ᴡᴇ ᴋɴᴏᴡ ᴛʜᴀᴛ ᴛʜᴇ ғᴏᴄᴀʟ ʟᴇɴɢᴛʜ ᴏғ ᴀ sᴘʜᴇʀɪᴄᴀʟ ᴍɪʀʀᴏʀ ɪs ᴇϙᴜᴀʟ ᴛᴏ ʜᴀʟғ ᴛʜᴇ ʀᴀᴅɪᴜs ᴏғ ᴄᴜʀᴠᴀᴛᴜʀᴇ ᴏғ ᴛʜᴀᴛ ᴍɪʀʀᴏʀ.
ᴀᴄᴄᴏʀᴅɪɴɢ ᴛᴏ ᴛʜᴇ ϙᴜᴇsᴛɪᴏɴ ᴛʜᴇ ʀᴀᴅɪᴜs ᴏғ ᴄᴜʀᴠᴀᴛᴜʀᴇ ᴏғ ᴀ ᴄᴏɴᴠᴇx ᴍɪʀʀᴏʀ ɪs 32 ᴄᴍ.
ᴀɴᴅ ʜᴇɴᴄᴇ, ᴛʜᴇ ғᴏᴄᴀʟ ʟᴇɴɢᴛʜ ᴡᴏᴜʟᴅ ʙᴇ :
=32÷2
=16 ᴄᴍ.
sᴏ, ᴛʜᴇ ғᴏᴄᴀʟ ʟᴇɴɢᴛʜ ᴏғ ᴛʜᴇ ᴄᴏɴᴠᴇx ᴍɪʀʀᴏʀ ɪs 16 ᴄᴍ.
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