Question 150682
{{{1/f=1/o+1/i}}}
{{{1/250=1/2000000+1/i}}}
{{{1/250-1/2000000=1/i}}}
{{{8000/2000000-1/2000000=1/i}}}
{{{7999/2000000=1/i}}}
{{{i=2000000/7999}}}
{{{i=2000000/7999}}}
{{{i=250.03}}}
The image distance is 250.03 mm.