Jawabanmu

2014-04-01T16:03:16+07:00
Jarak fokus = jari jari /2
f = 6/2 = 3

So = jarak benda di depan cermin ( asli )
Si = jarak benda di blkg cermin (bayangan)

1/f = 1/So + 1/ Si
1/3 = 1/24 + 1/Si
Si = 3,43 cm

M ( Pembesaran ) = Si/ So = 3,43 / 24 = 0,143 kali