Asked by Sadia

A pinhole camera is 15 cm in length,30 cm from an object.If the image is 4.4 cm tall,how high is the object
Answered by S.h. Mazumder
Here, hi=4.4cm; di=15cm; do=30cm; ho=?

hi/di = ho/do;
=> ho = hi*do/di;
=> ho = 4.4*30/15 = 8.8cm
Answered by Anonymous
A pin