The owner of a van installs a rear-window lens that has a focal length of -0.300 m. When the owner looks out through the lens at a person standing directly behind the van, the person appears to be just 0.240 m from the back of the van, and appears to be 0.34 m tall.
(a) How far from the van is the person actually standing, and
(b) How tall is the person? |
New search. (Also 5349 free access solutions) |