" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Verified answer
F = 12 cms = 20 cm
ditanya
s' = .....?
jawab
s' = (sf)/(s - f)
s' = (20×12)/(20-12)
s' = 240/8
s' = 30 cm
cara diatas sudah sama dengan pengerjaan 1/f = 1/s + 1/s'