Question

Tolong kerjain donk no5 pls!

Answer 1

Diket:
Lensa cembung
f = 10cm
s = 20cm
Dit:
a. s'....?
b. M...?
c. P.....?
jawab
a. 1/s' = 1/f - 1/s
1/s' = 1/10 - 1/20
1/s' = 2/20 - 1/20
1/s' = 1/20
s' = 20 cm

b. I M = s'/s I
M = 20/20
M= 1

c. P = 100/f
P = 100/10
P = 10 dioptri