" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
f=40cm
dit: s' ?
jawab:
1/s + 1/s' = 1/f
1/60 + 1/s' = 1/40
1/s' = 1/40 - 1/60
1/s' = 6 - 4 (per) 240
1/s' = 2/240 = 1/120
s' = 120/1 = 120cm
maaf kalau salah