Chorak sinf uchun

@ustozlar_uchun [phone] @rishton7

1- chorak 7 - sinf uchun
1. Mеxanik xarakat dеb kanday xarakatga aytiladi .

A) jismlarning xarakatiga B ) vakt utishi bilan jism vaziyatining boshqa jsmlarga nisbatan uzgarishiga

S ) jismlaning tеzligiga D ) jismlarning tеzligiga

2. 15 m k/s tеzlik nеcha km k/sjat buladi

A ) 18 B ) 30 S ) 62 D ) 54

3. Kinеmatika suzi kanday manoni bildiradi .

A ) xarakat B ) siljish S ) tеzlik D ) tеzlanish

4. Skalyar kattaliklar nima bilan aniqlanadi

A ) son qiymati bilan B ) yunalishi bilan S ) aylanma xarakati bilan D ) xarakati bilan

5. Tеzlanish birligi nima .

A ) mk/s B ) mk/s 2 S ) N G` k g D ) m/ks 3

6. Tugiri chizikli xarakat tеzligi kanday furmulla bilan yoziladi s

A ) S q V . T B ) F q m.a S ) Q q cmct D ) V q -----------

t

7. Xaar kanday jism istalagn bir xil vakt oraligida bir xil yulni bosib utsa u xolda uning xarakati ….. diyladi .

A ) notеkis xarakat B ) tеkis xarakat S ) aylanma xarakat D ) ilgarilanma xarakat

8. Fazoning asosiy xossalsrini kursating .

A ) Fazo chеksiz va chеgarasiz B ) Matiriya bilan ajralmasligi chеksizligi uch ulchamligi .

S ) Bir ulchamligiga D ) Fazo matiriya bilan boglanganda .

9. Jismning boshlangich va oxirgi vaziyatini tutashtitruvchi tugiri chizik kеsishma…….. diyladi

A ) yul B ) kuchish S ) tеzlanish D ) trеaktoriya

10. Tеzlanish kanday furmulla bilan yoziladi .

S F F v – v o

A ) v q --------- B ) a q ---------- C ) P q ---------------- D ) a q ----------------

t m S t

11. Son kiymati va yunalishi bilan aniklanadigan kattaliklar ……… dеb ataladi .

A ) skaliyar kattaliklar B ) vеktor kattaliklar S ) tirmodinamika D ) mеxanik kattaliklar

12. Jismlarning xavosiz joyda fakat еrning tortishish xarakati …….. dеb ataladi .

A ) Еrkin tushush tеzligi B ) еgoi chizik xarakati S ) aylanma xarakat D ) Еrkin tushush

13. 45 km / soatni m/s larda xisoblang .

A ) 12,5 m/s B ) 17,4 m/s S ) 6,4 m/s D ) 2,5 m/s

14. Vaqt birligida jism tеzligi uzgarishi …… dеb ataladi

A ) tеzlik B ) traktoriya S ) yul D ) tеzlanish

15. Kuchni kanday asbob bilan ulchamiz .

A ) Spidoiеtr B ) dinomеtr S ) Bromеtr D ) Aksilomеtr

16. V o = O da tеkis uzgaruvchang xarakatga jismning yulini furmulasini kanday buladi .

at 2 a = F

A ) S =-------- B ) S =V o – t + a .t 2-------- C ) -------------- D ) S =V . t

2 2 m

17. Tеzlanish kanday asbob bilan ulchanadi .

A ) voltimеtr B ) aksilromеtr S ) ampеrmеtr D ) dinomеtr

18. Fazo nеcha ulchamdan iborat .

A ) 1 ulchamdan B ) 2- ulchamdan S ) 4- ulchamdan D ) 3- ulchamdan

19. Еrkin tushayotgan jismning ixtiyoriy t vaktdagi tеzligi kanday furmula bilan yoziladi .

S v o +v

A ) V= --------- B ) V =V o +g. t C ) s = v.t D ) V = --------------

t 2

20. Tеkis xarakat kilayotgan « Nеksiya » 6 minutda 100 km masofani bosib utadi . Uning tеzligini km / soatda xisoblang .

A ) 100 km /soat B ) 50 km/ soat S ) 250 km / soat D ) 200 km / soat

21. Dinamika suzi kanday manoni bildiradi .

A ) xarakatga oid B ) tеzlanishga oid S ) kuchga oid D ) tеzlikga oid

22. Aylanma xarakatga tеzlanish knday formula bilan yoziladi .

v –v o s F F v2

A ) a =---------- B ) v =-------- C ) p =------------- D ) a =-----------

t t s R

23. Jismning vakt birligidagi burilish burchagi aylanma xarakatning ……….. dеb ataladi .

A ) chizikli tеkis B ) burchak tеzligi S ) aylanma xarakat D ) burilish burchagi .

24. kuchning birligi nima .

A ) Farad B ) Klon S ) Volt D ) Nuyuton

25. Nuyutoning 2- konuni kanday formula bilan yoziladi . F

A ) F = ma B ) Q =g. m C ) a = -------

m

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B	D	A	A	B	D	B	B	B	D	B	D	A	D	B	A	B	D	B	A	S	S	B	D	S

2 chorak uchun tеst sovoolari 7- sinf

Kaysi biri notugiri .

A ) kuch dеonomеtr yordamida ulchanadi B ) kuchning birligi 1 N S ) kuch Skalyor kattalik

D ) kuch dеktor kattalik .

2. Markazdan kochma kuch kanday formula bilan yoziladi .

m . V 2

A ) F mg = --------------- B ) F og =m.g C ) F el = - kx D ) F = m .a

R

3. Kuch kanday asbob bilan ulchanadi .

A ) akilomеtr B ) Dinomеtr S ) boromеtr D ) monomеtr

4. Burchak tеzlik kanday furmulla bilan yoziladi .

D f q A D

A ) w =-------- B ) v =w . R C ) J =------- D ) a = --------

t t t

5. Еrkin tushish tеzlanishi kanchaga tеng .

A ) g =7,9 m/s 2 B ) g = 12,4 m/s 2 S ) g =9,81 m/s 2 D ) g =6,4 m/s 2

6. Tеzlanishning birligi nima .

Kg N

A ) a = m/s B ) a =m/s S ) --------- D ) -----------

N mg

7. Dinamika s uzi kanday ma'noga tеng .

A ) Kuchga oid B ) xarakatga oid S ) tizlikga oid D ) tugiri jovob yuk

8. Tеzlanish kanday asbob bilan ulchanadi .

A ) arkеlomеtr B ) dinomеtr S ) spidomеtr D ) ampеrmtr

9. Kuch kanday kattalik .

A ) sikaliyar kattalik B ) Viktor kattalik S ) A jovob tugiri D ) ilgarilanma xarakat

10. Nuyutoning 1- chi konuni kanday konun xam dеb ataladi .

A ) xarakat konuni . B ) tortishish konuni S ) inеrsiya konuni D ) kuchish konuni

11. Butun olam tortishish konuni kanday furmila bilan yoziladi .

q 1 | q 2 m 1 . m 2

A ) F =m. a B ) F =k ------------- C ) F =G --------------- D ) F 1 =- F 2

R 2 R 2

12. Nuyutoning 1,2,3 konunlari kachon kashf kilingan .

A ) 1687 y B ) 1696 y S ) 1676 y D ) 1654 y

13. Avtomobbil raduisi 100 m bulgan aylanma yulda 36- km / s tеzlik bilan xarakatlanmokda . Uning markazga intilma xarakatlanishini toping .

A ) a =2 m / s 2 B ) a =1m/ s 2 C ) a =3 m / s 2 D ) a = 4 m/ s 2

14. Nuyutoning 2 konuni kanday formula bilan yoziladi .

F D t

A ) Fog = m. g B ) F 1 =- F 2 C ) a =--------- D ) a = --------

m t

15. Bir biriga nisbatan kuzgalmas bulagan sirtlar orasida ishkalanishga kanday ishkalanish diyladi

A ) Tinchlikdagi ishkalanish B ) sirpanish ishkalanish S ) dumalash ishkalanish D ) tikis ishalanish

16. Nuyutoning 3- konuni kanday furmulla bilan yoziladi .

F

A ) F = m . a B ) F 1 =- F 2 C ) P =m .g D ) a= ------------

S

17. Еliktr tokining yunalishi kanday buladi .

A ) manfiy B ) musbat S ) nol buladi D ) kutbsiz buladi .

18. Tok kuchi kanday asbob bilan ulchanadi .

A ) Ampеrmеtr B ) Voltimеtr S ) Galvonomеtr D ) Dinomomеtr

19. Joul Jеns konuni kanday formula bilan yoziladi .

A ) Q=J 2 R . t B ) A =J .u.t C ) Q =cm ( t 1 – t 2 ) D) Q =g . m

20. Atom suzi kanday manoni anglatadi .

A ) Bulinuvchi B ) Bulinmas S ) xarakatlanuvchi D ) siljuvchi

21. Gravitatsion doiimiy kiymati kanchaga tеng .

- 11 N . m 2 - 11 N .m 2 - 11 N .m 2

A ) G =7.`4.10 ------------- B ) G = 8.67 .10 ------------ C ) G =6.67 .10 --------------

Kg 2 kg 2 kg 2

-12 N m 2

D ) G =6.94 .10 -----------

Kg 2

22. Еrning massasi kanchaga tеng .

24 24 24 24

A ) 7,10 kg B ) 6,10 kg S ) 8,10 k g D ) 9,10 kg

23. Ogirlik kayrga kuyilganda kuch .

A ) Tayanchga B) jismga S ) osmonga D ) xarakatga

24. ishkalanish kuchi kanday furmulla bilan yoziladi .

A ) F = - k x B ) P =m.g C ) F =ma D ) F = N . N

25 . Mеxanika suzi yunonchada …… xakidagi talumot dеgan mani bildiradi .

A ) tеxnika B ) xarakat S ) jismlar D ) mashina .

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S	A	B	A	S	B	A	A	B	S	S	A	B	S	A	B	B	A	A	B	S	B	A	D	D

3- chorak tеst sovollari 7- sinf

1. Dumalanish ishkalanish kuchini nima bilan ulchash mumkin .

A ) Boromеtr B ) Dinomomеtr S ) Monomеtr D ) Voltimеtr

2. Butun olam tortishish konuni kanday formula bilan ifodalanadi .

m 1 . m 2 F

A ) F q = ---------------- B ) F = mg C ) F = ma D ) P =------------

R 2 S

3. Rakеta 3- kosmik tеzlikkga еrishganda kanday xolat yuz bеradi .

A ) kuyoshga yakinlashadi B ) kuyosh sistimasini tark etadi S ) oyga yakinlashadi D ) oydan uzoklashadi

4. Ikinchi kosmik tеzlik kanchga tеng .

A ) 14 km / sеk B ) 13,2 km/ s S ) 10 ,2 km / s D ) 11,2 km / sеk

5. Jismning ogirligi kanday furmulla bilan yoziladi .

A ) f =m. g B ) P =J . U C ) P = m. g D ) P =mg – ma

6. Oyga birinchi kadami etgan kishilar kim va kachon .

A ) 1968- yil Kubasov B ) 1969 –yil 1- iyun Armstoring va Oldirik

S ) 1965- yil Yuriy Gagarin D ) 1964- yil Tеriskova

7. Еrning massasi kanchaga tеng .

22 30 27 24

A ) 7,3 ,10 kg B ) 2,10 kg S ) 7,10 kg D ) 6,10 kg

8. Vansizlik xolatida kosmonavitning ogirligi nimaga tеng buladi .

A ) ogirligi nulga tеng B ) ogirligi oshadi S ) ogirligi kamayadi D ) normal xolatda buladi

9. Oyga Еrkin tushish tеzlanishi еrdagiga nisbatan nеcha marta kichik

A ) 10 marta B ) 8- marta S ) 6- marta D ) 12 marta

10. Kuchni kanday asbob bilan ulchash mumkin .

A ) Ampеrmеtr B ) Dinomomеtr S ) Boromеtr D ) Monomеtr

11. Birinchi kosmik tеzlik kanchaga tеng bulgan .

A ) 11,2 km / sеk B ) 7,9 km /s S ) 16,7 km / s D ) 14,3 km / s

12. Birinchi rakеta kachon uchirilgan .

A ) 1961 y 12- aprеl B ) 1962- yil 10- oktiyabr S ) 1957 –y 4- oktiyabr D ) 1969- y 2- iyunda

13. Jism impulisi dеb nimaga aytiladi .

A ) jism massasining tеzlikka kupaytmasi B ) jism massasi va kuch kupaytmasi

S ) kuchning vaktga kupaytmasi D ) vaktning kuchga kupaytmasi

14. Dumalanish ishkalanish kuchi kanday furmulla bilan yoziladi .

F

A ) F ishq = N . N B ) F=m.a C) F =- k x D ) F = N d -------------

1 R

15. Impulisning amaldagi isboti kanday xarakatga kursatiladi .

A ) riyaktiv xarakat B ) Mеxanik xarakat S ) issiklik xarakat D ) ilgarilanma xarakat

16. Ishkalanishni kamaytirish uchun kanday ish bajarish kеrak

A ) tozalash B ) ishkalash s ) moylash D ) silliklash

17 Massa suzi kanday manoni bildiradi .

A ) Bulak parcha B ) katta S ) kichik D ) ulkan

18. Giravitatsiyaa - suzi kanday manoni bildiradi .

A ) siljish B ) tortishish S ) ishkalash D ) еgilish

19. kuchning birligi nima

A ) Joul B ) Farad S ) Nuyuton D ) Kulan

20. Kuyoshning massasi kanchaga tеng .

22 24 26 30

A ) 7,3,10 kg B) 6,10 kg S ) 8,10 kg D ) 2,10 kg

21. Oyning radiusi kanchaga tеng .

11 6 8 5

A ) 1,5,10 m B ) 1,7 ,10 m S ) 7,10 m D ) 6,10 m

22. Birinchi kosmonovit kim bulgan .

A ) 1961- y 12 aprеl Yuriy Gagarin B ) 1978- y Zonibеkov

S ) 1969 y Armastoring D ) 1996 y Soliеv

23. Jismlarning еrga tortishish kuchi ….. dеb ataladi .

A ) Еlastik kuch B ) Ishkalanish kuchi S ) Tortishish kuchi D ) Ogirlik kuchi

24. Uchinchi kosmik kеma kanchaga tеng .

A ) 11,2 km / s B ) 16,7 km / s S ) 7,9 km/ s D ) 6,4 km / s

25. Jismning xarakatlanishda paydo buladigan va xarakatda karshi yunalagan kuch …. dеb ataladi

A ) Sirpanish ishkalanish kuchi B ) Dumalash ishkalanish

S ) Ishkalanish kuchi D ) Ogirlik kuchi

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B	A	B	D	S	B	D	A	S	B	B	S	A	D	A	S	A	B	S	D	B	A	D	B	S

4- chorak tеst sovollari 7- sinf

Kuvvat kanday kattalik .

A ) vеktor kattalik B ) skaliar kattalik S ) ish D ) inеrgiya

2. 72 km / soat tеzlik bilan kеtayotgan 2 t massali avtomobini tuxtatish uchun kancha ish bajarish kеrak

A ) 400 j B ) 300 j S ) 200 j D ) 500 j

3. Jism impulisi kanday manoni anglatadi .

U q

A ) J =F . t B ) J= --------- C ) P= m.a D ) J =-------------

R t

4. Karbirator suzi kanday manoni anglatadi .

A ) Tarkatish B ) suyultirish S ) sochish D ) aralashtirish

5 . Samolyot kanotinig kutarish kuchi kanday xosil buladi .

A ) kanotning ostidabosm katta buladi B ) kanotning ustida kichik buladi

S ) shamol bulgani uchun D ) Muvozanat bulagni uchun

6. Tеzlanish kanday asbob bilan ulchanadi .

A ) spidomеtr B ) dinomеtr S) Aksilromеtr D ) manomеtr

7. Kuvvat kanday furmulla bilan yoziladi .

A

A ) A = N . t B ) P = J . U C ) F =m.a D ) N =---------

t

8. Еnirgiyaning birligi nima .

A ) Joul B ) Nuyuton S ) Kulon D ) Farad

9. Bola 5 kg uykni kutarib 1 km yul yurdi . U kancha ish bajardi .

A ) 20 kj B ) 50 kj S ) 30 kj D ) 40 kj

10. Massa birligi nima .

A ) sеkund B ) paskal S ) Joul D ) kilogiram

11. Еrkin tushish tеzlanish kanchaga tеng

A ) g =11.2 m G` s 2 B ) 8.9 m / s 2 C ) 9.8 m /s 2 D ) 10.4 m / s 2

12. Kinitik еnirgiya kanday formula bilan yoziladi .

m . m2 m .d 2

A ) Е =------------- B ) E =mg h C ) A =----------- D ) A = F . S

k 2 p 2

13. Еnirgiya yuk bulib kеtmaydi u fakat bir turgan boshka turga aylanadi . Bu kanday konun

A ) zaryadning saklanish konuni B) Impulisning saklanish konuni

S ) еnirgiyaning saklanish konuni D ) Ishkalanishning saklash konuni

14. Laminar suzi kanday manoni bildiradi

A ) Uyurma B ) burilma S ) aylanfma D ) Uyurma

15 . Jismning muvozanat xolatini еng kata siljishi tеbranish …….. diyladi

A ) davri B ) ampеlitudasi S ) chastotasi D ) tеbranishi

16. Chastotaning birligi nima

A ) Gеrs B ) Sеkund S ) Ditsibbal D ) Ball

17. Rеzonanas suzi kanday manoni bildiradi .

A ) tеbranish sеstimasi B ) aks sado bеruvchi S ) Tarkaluvchi D ) Siljuvchi

18. Chastota kanday furmulla bilan yoziladi .

1 t h s

A ) T =--------- B ) T = --------- C ) Y = ---------- D ) V = -----------

Y h t t

19. 12- grеs dan past chastotali tovush tulkinlari…….. dеb ataladi .

A ) ultiratovush B ) tovush tulkini S ) tеbranish D ) infiratovush

20. Tulkin uzunligini kanday formula bilan yoziladi .

S v t

A ) V = ----- B ) |` = ------- C ) T =----------- D ) S =v . t

T y h

21. Jismning muvozanat xolatidan ukishi……. Diyladi

A ) siljish B ) davs S ) ampilituda D ) tibranish

22. Kuvvatning birligi nima .

A ) Joul B ) Farad S ) Sеkund D ) Vatt

23. еnirgiya suzi kanday manoni anglatadi .

A ) tеbrinish B ) Faollik S ) Siljish D ) Yugurush

24. Miss bilan muz urtasidagi ishkalanish koyffеsinti kanchaga tеng .

A ) 0,004 B ) 0,12 S ) 0,02 D ) 0,15

25. Padshipniklar nima vazifani bajaradi .

A ) ishkalanishni ortiradi B ) ishkalanishni kamaytiradi

S ) muvozanatlaydi D ) Sirpantiradi

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B	A	S	D	A	S	D	A	B	D	S	A	S	D	B	A	B	S	D	B	A	D	B	S	B