Page 192 - FISIKA SMA KELAS X

5. a. 9. C
100 100
f ob = = =4 cm
1
p ob 25 H = H 2
100 100 Δ T 1 Δ T 2
f ok = = = 10 cm K 1 = K 2
p ok 10 L 1 L 2

lensa objektif 90 ± t t ± 0
2 K 2 = K 2
1 1 1 L L
+ = 180 − t 2 = t
s ob s' ob f ob o
1 1 1 t = 60 C
+ =
6 s' ob 4
s' ob = 12 cm B.

lensa okuler
(
s' ok =− 50 − 5) = −45 cm 1. Δl = l . α . Δt
o
1 1 1 -6 -4
+ = Δl = 10 . 11 . 10 . 10 = 11 . 10 m
s ok s' ok f ok x = ⁄ Δl = 5,5 . 10 m
-4
1
1 1 1 2
− = x = 0,55 mm
s ok s 4 10 3.
,
s' ok = 818 cm v 1 = v 2
s' ob s n T T
γ = x 1 2
s ob s ok 40 = v 2
ok
12 40 293 313
,
γ = x = 978 kali 3
,
6 8,18 v 2 = 42 73 cm 3
Δ v = v -v = 2,73 cm
1
2
b. d = s' ob +s ok Δ v 273
,
h = = = ,
0 1365 cm
d = 12 + 8,18
A 20
d = 20,18 cm
5.
v 1 v 2
=
BAB 4 T 1 T 2
05 , v 2
A. =
300 320
053 liter
1. A v 2 = ,
1
2
3. A Δ v = v -v = 0, 03 liter
5. E
BAB 5
7. E
p 1 = p 2 A.
T 1 T 2 1. C
p 1 = 2 p 1 3. C
293 T 2 5. D
T = 586 K 7. D
2
o
T = 313 C v = v 2
2
1
i . R = i . R
1 1 2 2
300 = 10 . i 2
i = 30 mA
2
Fisika SMA Kelas X 185