Sebuah benda terletak 30 cm di depan lensa

Jawaban:

B. 2 kali

Penjelasan:

Diketahui :

s = 30 cm

s' = 60 cm

f = 20 cm

Ditanya : M?

Jawab :

M = s' ÷ s

M = 60 ÷ 30

M = 2 kali ✔

Keterangan :

Semoga membantu.

Have a nice day 🙂

Penjelasan:

1/f = 1/s + 1/s'

1/30 = 1/60 + 1/s'

1/30 – 1/60 = 1/s'

2/60 – 1/60 = 1/s' (disamakan penyebut)

1/60 = 1/s'

60/1 = s'

60 = s'

perbesaran

M =|s'/s|

M = 60/30

M = 2