Kimiyya

Misalai 12 tambayoyi Dokokin Gas

1. A farkon tafiya, matsin lamba a cikin tayar mota shine 432 kPa tare da zafin jiki na 15 ^° C. Bayan tafiya da sauri, tayar tana zafi kuma matsin lamba na iska ya zama 492 kPa. Idan aka yi watsi da faɗaɗa tayar , zafin iska a cikin tayar zai zama…

A. 17 ^o C

B. 35 ^o C

C. 55 ^o C

D. 155 ^o C

E. 328 ^o C

Tattaunawa

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Misalai 16 na injunan Carnot - injunan zafi masu kyau (amfani da dokar thermodynamics ta biyu)

1. Duba jadawalin P-V na injin Carnot a gefe! Idan zafi da aka sha (Q1 ₎ = joules 10.000, to adadin aikin da injin Carnot ya yi shine…

A. 1.500 J

B. 4.000 J

C. 5.000 J

D. 6.000 J

E. 8.000 J

Tattaunawa

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Misalan Tambayoyi 20 na Thermodynamics

Tsarin Thermodynamic

1. A cikin thermodynamics, iskar gas mai kyau tana fuskantar tsarin isothermal idan…

A. canje-canje a yanayin iskar gas, zafin jiki koyaushe yana nan daidai

B. duk kwayoyin halitta suna motsawa a cikin sauri daban-daban

C. Duk yanayin iskar gas koyaushe yana canza yanayin zafi

D. a yanayin zafi mai yawa, saurin ƙwayoyin ya fi girma

E. matsin lamba da ƙarar iskar gas ba sa canzawa

Tattaunawa

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Misalan Tambayoyi 5 na Canja wurin Zafi

1. An haɗa sanduna biyu na P da Q masu girman iri ɗaya amma nau'ikan ƙarfe daban-daban kamar yadda aka nuna a cikin hoton da ke ƙasa. Idan ma'aunin watsa wutar lantarki na P ya ninka ma'aunin watsa wutar lantarki na Q sau biyu, to zafin da ke iyakar P da Q shine...

A. 600 ^oC

B. 200 ^o C

C. 100 ^o C

D. 90 ^o C

E. 60 ^o C

Tattaunawa

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Misalai 21 na Tambayoyin Rage Juriya

Ƙara Tsawon

1. Sanda mai kama da juna mai tsawon L, idan aka ja ta da ƙarfi F, tsayinta yana ƙaruwa da ∆L.

Don haka ƙaruwar tsayin ya zama 4 ΔL, girman ƙarfin tensile ɗin shine...

A. 1/4 F

B. 1/2 F

C. 2 F

D. 4 F

E. 16 F

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Misalai 15 na Tambayoyin Zafi da Zafi

Daidaita Ma'aunin Zafin Jiki

1. Ma'aunin zafi na X wanda aka daidaita yana nuna -30 ^°C ga wurin daskarewar ruwa da kuma 90 ^°C ga wurin tafasar ruwa. Zafin jiki na 60 ^°C ga X daidai yake da...

A. 20 ^o C

B. 45 ^o C

C. 50 ^o C

D. 75 ^o C

E. 80 ^o C

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Misalan Tambayoyi 24 na Tasirin Ruwan Ruwa

Ka'idar Torriceli

1. Babban baho cike da ruwa da famfo kamar yadda aka nuna a hoton. Idan g = 10 ms ^-2 , to saurin fesa ruwa daga famfo shine...

A. 3 ms^-1  

B. 8 ms ^-1

C. 9 ms ^-1

D. 30 ms ^-1

E. 900 ms ^-1

Tattaunawa

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Misalai 9 na Tambayoyin Faɗaɗawa

1. Takardar ƙarfe a zafin jiki na 20 ^oC tana da girman da aka nuna a cikin hoton. Idan ma'aunin faɗaɗa ƙarfe mai layi shine 10 ^{-5 o} C ^-1, to ƙaruwar yankin a zafin jiki na 60 ^oC shine...

A. 0,08 cm²

B. 0,16 cm ²

C. 0,24 cm ²

D. 0,36 cm ²

E. 0,64 cm ²

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Misalan Matsalolin Ruwa Mai Tsayi 15

Matsi na Hydrostatic

1. Bambancin matsin lamba tsakanin kwakwalwa da tafin ƙafafuwan mutumin da tsayinsa ya kai santimita 165 shine…. (A ɗauka cewa yawan jini shine 1,0 × 10 ³ kg/m3 ^da g = 10 m/s ² )

A. 1,65 × 10 ² N/m ²

B. 1,65 × 10 ³ N/m ²

C. 1,65 × 10 ⁴ N/m ².

D. 0,83 × 10 ⁴ N/m ³

E. 0,83 × 10 ³ N/m ²

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Misalan Jirgin Ruwa Mai Siffar U guda 4

1. An cika tasoshin ruwa guda biyu A da B da ruwa mai yawa daban-daban, kamar yadda aka nuna a cikin hoton. Idan matsin lamba a ƙasan A yayi daidai da 4/5 na matsin lamba a ƙasan B da kuma yawan ruwa A = 1000 kg m ^–3 , to yawan ruwa a cikin B shine …

A. 1250 kg m^-3

B. 2500 kg m ^–3

C. 3000 kg m ^–3

D. 4000 kg m ^–3

E. 5000 kg m ^–3

Tattaunawa

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