OPTIKA GEOMETRI
▶ Cermin Cembung
f = -10 cm (fokus bernilai (-) utk cermin cembung)
s = 15 cm
h = 10 cm
s' = __ ?
s' = (s × f) / (s - f)
s' = (15 × (-10)) / (15 + 10)
s' = -6 cm (di belakang cermin) ✔
h' = __ ?
|s' / s| = h' / h
|-6 / 15| = h' / 10
h' = 4 cm ✔
M = __ ?
M = h' / h
M = 4 / 10
M = 0,4 x ✔
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OPTIKA GEOMETRI
▶ Cermin Cembung
f = -10 cm (fokus bernilai (-) utk cermin cembung)
s = 15 cm
h = 10 cm
s' = __ ?
s' = (s × f) / (s - f)
s' = (15 × (-10)) / (15 + 10)
s' = -6 cm (di belakang cermin) ✔
h' = __ ?
|s' / s| = h' / h
|-6 / 15| = h' / 10
h' = 4 cm ✔
M = __ ?
M = h' / h
M = 4 / 10
M = 0,4 x ✔