" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
s = 20 m
f = - 4 m
ditanya =
M = ...
dijawab =
1 / f = 1 / s + 1 / s'
1 / s' = 1 / f - 1 / s
= - 1 / 4 - 1 / 20
= - 5 / 20 - 1 / 20
1 / s' = - 6 / 20
s' = 20 / - 6
s' = - 3,33 m (3,33 m dibelakang cermin)
M = - s' / s
= - ( - 3,33 m) / 20 m
= 3,33 / 20
= 0,16 kali