Diketahui :
s = 15 cm
s' = - 60 cm (bayangan semu)
Daya Lensa adalah
1/f = 1/s + 1/s'
1/f = 1/15 + (-1/60)
1/f = 1/15 - 1/60
1/f = 4/60 - 1/60
1/f = 3/60
f/1 = 60/3
f = 20 cm
P = 100/f
= 100/20
= 5 dioptri
semogamembantu
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Diketahui :
s = 15 cm
s' = - 60 cm (bayangan semu)
Daya Lensa adalah
1/f = 1/s + 1/s'
1/f = 1/15 + (-1/60)
1/f = 1/15 - 1/60
1/f = 4/60 - 1/60
1/f = 3/60
f/1 = 60/3
f = 20 cm
P = 100/f
= 100/20
= 5 dioptri
semogamembantu