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mikroskop
fob=8mm
fok=60mm
sob=10mm
mata tak berakomodasi
ditanya
d=...?
jawab
*)sob'=...?
1/fob= 1/sob +1/sob'
1/8=1/10 + 1/sob'
1/sob'=(10-8)/80
sob'=80/2=40mm
*)d=...?
d=sob' + fok
=40mm + 60mm
=4cm +6cm
=10cm
jawabannya E