1/do+1/di=1/f
1/4+1/di=1/.05
.25+1/di=20
di=1/19.75= you do it.
Camera lenses are described in terms of their focal length. A 50.0 mm lens has a focal length of 50.0 mm
(a) A camera with a 50 mm lens is focused on an object 4.0 m away. Locate the image.
(b) A 980 mm lens is focused on an object 125 m away. Locate the image.
2 answers
okat so yu do wavberlnth abnd then dividwe by 100