" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
S' = 100 cm
Sn = 25 cm
Ditanyakan : P ?
Dijawab :
P = 100/Sn - 100/S'
= 100/25 - 100/100
= 4 - 1
= 3 Dioptri
Ditolong dengan kacamata berlensa cembung