Jawaban:
0,83D
Penjelasan:
Dik:
PP = 40cm
s = 30cm
Dit : Ph = ...?
Jwb:
Ph = 100/s - 100/PP = 100/30 - 100/40 = 400 - 300/120 = 100/120 = 0,83D
Jadi jawabannya 0,83D
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Jawaban:
0,83D
Penjelasan:
Dik:
PP = 40cm
s = 30cm
Dit : Ph = ...?
Jwb:
Ph = 100/s - 100/PP = 100/30 - 100/40 = 400 - 300/120 = 100/120 = 0,83D
Jadi jawabannya 0,83D
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b. + 1,5 dioptri
c.– 2,5 dioptri
d. + 2,5 dioptri