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tovush to'lqinlari

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

inson eshita oladigan to'lqinlar nima deyiladi

a)

elektromagnit to'lqinlar

b)

tovush to'lqinlari

c)

tovush tezligi

d)

tebranish

2.

inson qulog'i sezadigan tovush to'lqinlar chastatasi

a)

17-2000

b)

18-200

c)

17-20000

d)

18-200000

3.

tovushning tezligi qanday muhitda eng katta

a)

qattiq va suyuq

b)

gaz

c)

suyuq

d)

qattiq

4.

tovushning tezligi gazlarda qancha nol gradus bo'lganda

a)

330

b)

340

c)

350

d)

370

5.

tovushing havodagi tarqalish tezligini birinchi bo'lib kim o'lchagan

a)

shturm

b)

m.mersen

c)

faradey

d)

bell

6.

tovushning tezligi havo temperaturasi ko'tarilishi bilan qanday o'zgaradi

a)

ortishi ham kamayishi ham mumkin

b)

o'zgarmaydi

c)

kamayadi

d)

ortadi

7.

suyuqliklarda tovush tezligini birinchi bolib kimlar o'lchagan

a)

kolladon mersen

b)

shturm mersen

c)

kolladon shturm

d)

mersen

8.

tovushning suvdagi tezligi shvetsaryadagi qaysi ko'lda o'tkazilgan tajribada aniqlangan

a)

barkado

b)

jeneva

c)

luvidji

d)

kaleso

9.

tovushning suvdagi tezligi qancha

a)

1440

b)

1441

c)

1140

d)

1540

10.

qattiq jisimlarda tovush tarqalish tezligi

a)

5851

b)

5850

c)

5860

d)

5865

11.

tovush qattiqligi nimasi bilan o'lchanadi

a)

chastatasi

b)

davri

c)

amplitudasi

d)

siklik chastata

12.

tovush qattiqligi birligi

a)

bell

b)

hz

c)

s

d)

kg

13.

inson qulog'i og'riq sezish chegarasi

a)

120 dB

b)

140 dB

c)

130 dB

d)

150 dB

14.

tovush balandligi nimasi bilan tavsiflanadi

a)

chastatasi

b)

davri

c)

tezligi

d)

amplitudasi

15.

chastatasi 20000 hz dan katta tovushlar

a)

infratovush

b)

tezlik

c)

ultratovush

d)

amplituda

16.

chastatasi 17 hz dan kichik to'lqinlar

a)

infratovush

b)

tovush tembri

c)

ultratovush

d)

tovush toni

17.

erkaklar chiqaradigan tovush tonlari

a)

bas bariton soprano

b)

bas bariton kontralto

c)

bas bariton tenor

d)

bas bariton mes-soprano

18.

ayollar chiqaradigan tovush toni

a)

soprano, kantralto, mes-saprano, kolorator bariton

b)

soprano, kantralto, mes-saprano, kolorator bas

c)

soprano, kantralto, mes-saprano, kolorator tenor

d)

soprano, kantralto, mes-saprano, kolorator saprano

19.

sekin suxbatning tovush qattiqligi qancha

a)

30db

b)

80db

c)

50db

d)

40db

20.

bas tavush chastatasi necha hz oraliqda

a)

90-650

b)

80-550

c)

80-350

d)

70-440

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