Question

Jwb no 6 please jwb yg bnr ka

Answer 1

OPTIK GEOMETRI
- Pemantulan

cermin CEMBUNG
R = - 15 cm  → f = - 7,5 cm
s = 20 cm
m = __ ?

m = f / (s - f)
m = | -7,5 / (20 - (-7,5)) |
m = | -7,5 / 27,5 | = | - 15/55 |
m = ³/₁₁ kali  ← jawaban [a]