| v1/v2 ni toping. Tebranishlar
kosinus qonuni asosida ro’y bermoqda. sin30º=1/2;
sin82º=0,99; sin60º=; sin75º=0,96.
A) B) 2 C) D)
33. Ikki kosmik kema v1=v2=0,75s tezlik bilan
qarama-qarshi yo’nalishda harakatlanmoqda.
Birining 2-siga nisbatan tezligi qanday ?
A) 0,9c B) 0,96c C) c D) 0,86c
34. Massasi va boshlang’ich temperaturasi bir xil
bo’lgan vodorod va geliy gazlari 70 K ga
qizdirildi. Vodorodni qizdirishda bajarilgan ish A1
va geliyni qizdirishga bajarilgan ish A2 lar qanday
munosabatda bo’ladi?(P=const)
A) A2=4A1 B) A1=A2 C) A2=2A1
D) A1=2A2
35. Yorug’likning qutblanish darajasini va qutblanish
tekisligining vaziyatini aniqlash uchun qaysi
asbobdan foydalaniladi ?
A) spektograf B) fotometr C) spektrometr
D) analizator
36. Magnit maydonning elektr maydoni bilan
bog’liqligini tajribada birinchi bo’lib aniqlagan
olimni ko’rsating.
A) Ersted B) Beruniy C) Amper D) Gilbert
T.r
|
M
|
F
|
O
|
1
|
D
|
C
|
C
|
2
|
C
|
D
|
B
|
3
|
C
|
A
|
D
|
4
|
B
|
C
|
C
|
5
|
B
|
D
|
A
|
6
|
C
|
C
|
B
|
7
|
A
|
C
|
D
|
8
|
B
|
A
|
A
|
9
|
A
|
C
|
C
|
10
|
B
|
D
|
A
|
11
|
B
|
B
|
D
|
12
|
D
|
B
|
A
|
13
|
A
|
A
|
C
|
14
|
A
|
C
|
D
|
15
|
A
|
A
|
B
|
16
|
C
|
A
|
D
|
17
|
С
|
C
|
C
|
18
|
B
|
D
|
B
|
19
|
B
|
A
|
D
|
20
|
B
|
A
|
C
|
21
|
B
|
D
|
D
|
22
|
B
|
D
|
C
|
23
|
B
|
D
|
D
|
24
|
B
|
D
|
A
|
25
|
B
|
D
|
A
|
26
|
B
|
D
|
A
|
27
|
A
|
A
|
D
|
28
|
A
|
D
|
A
|
29
|
C
|
D
|
D
|
30
|
A
|
C
|
D
|
31
|
A
|
B
|
D
|
32
|
C
|
-
|
C
|
33
|
A
|
B
|
D
|
34
|
D
|
D
|
D
|
35
|
A
|
D
|
C
|
36
|
C
|
A
|
B
|
| 