Kimiyya

Misalai 4 na Tambayoyin Ƙarfin Sauti

1. Maki A da B suna da mita 4 da mita 9 daga tushen sauti, bi da bi. Idan I _A da I _{B su ne} ƙarfin sauti a maki A da B, bi da bi , to I _A : I _B shine…

A. 3: 2

B. 4: 9

C. 9: 4

D. 16: 81

E. 81: 16

Tattaunawa

Karin bayani

Misalai 16 na tambayoyin Sauti Wave

1. Mai kallo a gasar mota yana jin sautuka daban-daban (hayaniyar motocin) yayin da motocin ke gabatowa da ja da baya. Matsakaicin motar tsere tana fitar da sauti a 800 Hz. Idan saurin sauti a cikin iska ya kai 340 m/s,^-1 kuma gudun motar shine 20 ms^-1, to mitar da ake ji lokacin da motar ta kusanci ita ce….
A. 805 Hz

B. 810 Hz

C. 815 Hz

D. 850 Hz

E. 875 Hz

Tattaunawa

Karin bayani

Misalan Tambayoyi 12 na Tambayoyin Motsin Karo na Karo

1. SAna harba harsashin roba mai siffar ƙwallo mai nauyin gram 40 a kwance zuwa bango kamar yadda aka nuna a hoton. Idan an jefa ƙwallon a daidai wannan gudun, to canjin saurin ƙwallon shinedallah…

A. 2 Ns

B. 3 Ns

C. 4 Ns

D. 5 Ns

E. 6 Ns

Tattaunawa

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Misalai 14 na Tambayoyin Tasirin Doppler

1. Daga wannan bayanin:
(1) P yana kusantar S wanda yake tsaye
(2) S yana fuskantar P wanda yake tsaye a tsaye
(3) P da S suna kusantar juna
(4) S da P suna tafiya a daidai wannan gudun
Idan P (mai sauraro) ya ji sauti tare da mita mafi girma fiye da mitar da S (source) ke fitarwa, to, kalmar da ta dace ita ce...
A. (1), (2) da (3) kawai
B. (1), (2), (3) da (4)
C. (1) da (3) kawai
D. (1) da (4) kawai
E. (2) da (4) kawai
Tattaunawa

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Misalai 8 na Tambayoyin Karo

Cikakkiyar karo mai roba

1. Abubuwa biyu A (3 kg) da B (5 kg) suna tafiya a hanya ɗaya tare da saurin 8 ms ^–1 da 4 ms ^–1 bi da bi . Idan abu A ya bugi abu B da cikakkiyar sassauci, to saurin kowane abu bayan karo shine...

A. 3 ms ^–1 da 7 ms ^–1

B. 6 ms ^–1 da 10 ms ^–1

C. 4,25 ms ^–1 da 10 ms ^–1

D. 5,5 ms ^–1 da 5,5 ms ^–1

E. 8 ms ^–1 da 4 ms ^–1

Tattaunawa

Karin bayani

Misalai 4 na Tambayoyin Sha'awa

1. Ƙwallo mai nauyin kilogiram 0,5 ta faɗi cikin sauƙi daga tsayin h ₁ = mita 7,2 sama da ƙasa ta kuma yi tsalle zuwa tsayin h ₂ = mita 3,2. Idan saurin gudu saboda nauyi ya kai ms 10 ^-2 , bugun da ke kan ƙwallon zai...

A. 2,0 Ns

B. 3,0 Ns

C. 10 Ns

D. 40 Ns

E. 80 Ns

Tattaunawa

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Misalai 6 na Tambayoyin Makamashin Inji

Ka'idar aikin injiniya-makamashi

1. Kalli hoton da ke ƙasa na matsar da tubalin! A ɗauka g = 10 m/s ^2. Idan ma'aunin gogayya tsakanin tubalin da bene shine μ k = 0,5, to ƙimar matsar da abin shine ....

A. 5,00 m

B. 4,25 m

C. mita 3,00

D. 2,50 m

E. 2,00 m

Tattaunawa

Karin bayani

Misalan Tambayoyi 5 na Tambayoyin Makamashi Masu Yiwuwa

Makamashin Ƙarfin Nauyi

1. Ana amfani da joules 4.900 na makamashi don ɗaga abu mai nauyin kilogiram 50 a tsaye. Abu zai tashi zuwa tsayin … (g = 9,8 ms ^-2 )

A. 0,1 m

B. 10 m

C. mita 98

D. 245 m

E. 960 m

Tattaunawa

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Misalai 16 na Tambayoyin Aiki da Makamashi

Ka'idar Makamashin Aiki-Kinetic

1. Ƙarfin da ke ci gaba da aiki na 60 N na tsawon daƙiƙa 12 a kan wani abu mai nauyin kilogiram 10.

yana da saurin farko na 6 m/sec a daidai alkiblar da ƙarfin yake.

(1) Aikin da aka yi akan abin shine joules 30.240

(2) Ƙarfin motsi na ƙarshe na abu shine joules 30.240.

(3) Ƙarfin da ake samarwa shine watts 2.520

(4) Ƙaruwar kuzarin motsi na abu shine joules 180.

Bayanin da ya dace shine…

Karin bayani

Misalan Tambayoyi 9 na Ƙarfin Nauyi

1. Rabon tarin duniyoyi A da B shine 2:3 yayin da rabon radii na duniyoyi A da B shine 1:2. Idan nauyin abu a duniyar A shine w, to nauyin abu a duniyar B shine….

A. 3/8 w

B. 3/4 w

C. 1/2 w

D. 4/3 w

E. 8/3 w

Tattaunawa

Karin bayani