Jawaban:
Bambang : Danu = 4 : 5
Penjelasan:
100/Sn - 100/PP = kekuatan lensa
Bambang = 1,5 D
1,5 = 4 - 100/PP
-2,5 = -100/PP
2,5PP = 100
PP = 1000 : 25 = 40 cm
Danu = 2 D
2 = 4 - 100/PP
-2 = -100/PP
2PP= 100
PP = 100 : 2 = 50 cm
Maka perbandingan Bambang dan Danu adalah
40 cm : 50 cm
4 : 5
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Jawaban:
Bambang : Danu = 4 : 5
Penjelasan:
100/Sn - 100/PP = kekuatan lensa
Bambang = 1,5 D
1,5 = 4 - 100/PP
-2,5 = -100/PP
2,5PP = 100
PP = 1000 : 25 = 40 cm
Danu = 2 D
2 = 4 - 100/PP
-2 = -100/PP
2PP= 100
PP = 100 : 2 = 50 cm
Maka perbandingan Bambang dan Danu adalah
40 cm : 50 cm
4 : 5