Question

Mohon bantuannya. no 4-6. dengan caranya.

Answer 1

4. jawaban : [B.] otot mata

6. Dik :
S =25cm
F =5cm
S' =...?
1/f = 1/S + 1/S'
1/5 = 1/25 + 1/S'
1/S' = 1/5- 1/25
1/s' = 5-1/25
1/s' = 4/25
S' = 24/4
S' = 6, 25
jawaban : [A.] 6,25