Misalai 10 na Matsalolin Girgiza
1. Kalli hoton!
Idan an kunna ƙwallon, to a ƙasa akwai daidaitaccen jerin girgiza 1, sai dai...
A. h – g – i – h – g
B. g – i – g – i – h
C. g – i – h – g – i
D. i – g – h – g – i
Tattaunawa
Kwallo tana yin girgiza ɗaya lokacin da ta bar matsayinta na asali sannan ta koma matsayinta na asali. Misali, da farko ƙwallon tana fara motsawa daga i, sannan zuwa g, sannan zuwa h, sannan ta koma g sannan ta koma matsayinta na asali a i, inda jerin motsin ƙwallon shine i – g – h – g – i. Ko kuma misali, da farko ƙwallon tana fara motsawa daga g, sannan zuwa i, sannan ta koma g, sannan zuwa h, sannan ta koma g, inda jerin motsin ƙwallon shine g – i – g – h – g.
Amsar da ta dace ita ce D.
2. Kalli hoton! Girgizar da ta dace ita ce motsin…
A. A – B – A – C – A
B. C – A – B – C – A
C. B – A – B – C – B
D. A – C – B – C – A
Tattaunawa
Misalin girgiza shine motsi daga B zuwa A zuwa C da komawa zuwa A da komawa zuwa B (BACAB). Ko kuma motsi daga A zuwa C da komawa zuwa A da komawa zuwa B da komawa zuwa A (ACABA).
Amsar da ta dace ita ce A.
3. Ana kiran adadin girgizar da ke faruwa a kowace daƙiƙa...
A. Tsawon tsayi
B. lokaci
C. girma
D. mita
Tattaunawa
Ana kiran adadin girgizar da ke faruwa a kowace daƙiƙa.
Lokacin da ake buƙata don kammala girgiza ɗaya ana kiransa lokacin.
Amsar da ta dace ita ce D.
4. Kalli hoton da ke ƙasa! Girgiza ɗaya tak ta faru…
A. HIGHT
B. HGIHG
C. HIHGH
D. IGHIH
Tattaunawa
Misali na cikakken girgiza ɗaya shine motsi daga G zuwa H sannan zuwa I sannan komawa zuwa H sannan zuwa G (GHIHG).
Amsar da ta dace ita ce C.
5. Kalli hoton! Pendulum yana juyawa daga A zuwa C cikin daƙiƙa 0,2. Mita da girman juyawar pendulum sune...
A. 2,5 Hz da 10 cm
B. 2,5 Hz da 5 cm
C. 0,4 Hz da 10 cm
D. 0,4 Hz da 5 cm
Tattaunawa
Mitar juyawa ta Pendulum:
Mita shine adadin girgizar da ke faruwa a cikin daƙiƙa ɗaya, yayin da lokaci shine lokacin da ake buƙata don yin girgiza ɗaya.
Pendulum yana yin girgiza ɗaya lokacin da yake motsawa daga A zuwa B zuwa C sannan ya koma B sannan ya koma A (A – B – C – B – A).
A zuwa C = 1/2 girgiza, inda lokacin da ake buƙata don yin 1/2 girgiza shine daƙiƙa 0,2.
Lokacin da ake buƙata don kammala girgiza ɗaya shine daƙiƙa 2 x 0,2 = daƙiƙa 0,4. Don haka lokacin girgizar pendulum = T = daƙiƙa 0,4.
Mitar Pendulum = f = 1/T = 1/0,4 = 2,5 Hertz
Girman juyawar pendulum:
Ma'aunin daidaito yana a wurin B, saboda haka mafi girman karkacewar pendulum shine wurin C da kuma wurin A wanda yake 5 cm daga wurin B.
Amsar da ta dace ita ce B.
6. 
Kalli hoton!
Pendulum yana juyawa cikin tsarin P→Q→R→S→T, adadin girgiza shine….
A. ½ girgiza
B. ¾ girgiza
C. 1 girgiza
D. 2 girgiza
Tattaunawa
Pendulum yana juyawa cikin tsarin P→Q→R→S→T→S→R→Q→P = girgiza 1
Pendulum yana juyawa cikin tsarin P→Q→R→S→T = ½ girgiza
Amsar da ta dace ita ce A.
7.
Kalli pendulum ɗin da ke cikin hoton da ke ƙasa!
Idan pendulum ya motsa daga A→B→C→B→A→B, adadin girgizar da ke faruwa shine…
A. girgiza 5
B. girgiza 2 ½
C. 2 girgiza
D. 1 ¼ girgiza
Tattaunawa
Pendulum yana motsawa daga girgizar A→B = ¼
Pendulum yana motsawa daga A→B→C = girgiza 2/4 = ½ girgiza
Pendulum yana motsawa daga A→B→C→B = ¾ girgiza
Pendulum yana motsawa daga A→B→C→B→A = girgiza 4/4 = girgiza 1
Pendulum ɗin yana motsawa daga A→B→C→B→A→B = girgiza 1 ¼
Amsar da ta dace ita ce D.
8.
Kalli hoton!
Pendulum yana juyawa cikin tsarin C→A→B→A→C→A→B, adadin girgizar da ke faruwa shine….
A. girgiza 1
B. Girgizar 1 ¼
C. 1 ½ girgiza
D. Girgizar 1 ¾
Tattaunawa
Pendulum ɗin yana juyawa da tsarin girgizar C→A = ¼
Tsarin pendulum yana juyawa a cikin tsari C→A→B = girgiza 2/4 = ½ girgiza
Tsarin yana juyawa a cikin tsarin C→A→B→A = ¾ girgiza
Tsarin pendulum yana juyawa a cikin tsari C→A→B→A→C = girgiza 4/4 = girgiza 1
Tsarin pendulum yana canzawa a cikin tsarin C→A→B→A→C→A = girgiza 1 ¼
Tsarin pendulum yana canzawa a cikin tsarin C→A→B→A→C→A→B = girgiza 1½
Amsar da ta dace ita ce C.
9. Ƙwayar da ke juyawa tana cikin matsayi kuma tana tafiya a cikin alkiblar da aka nuna a cikin hoton.
Idan girman da mitar oscillation sune 4 cm da 2 Hz, to daƙiƙa 1 bayan haka ƙwayar ta kasance a…
A. x = -2 cm kuma yana motsawa zuwa hagu
B. x = -2 cm kuma yana motsawa zuwa dama
C. x = 0 cm kuma yana motsawa zuwa dama
D. x = 0 cm kuma yana motsawa zuwa hagu
E. x = 2 cm kuma yana motsawa zuwa hagu
Tattaunawa
Mita ta 2 Hz na nufin cewa kowace daƙiƙa, ƙwayar tana yin girgiza biyu. Idan matsayin farko shine 2 cm, to girgiza ɗaya tana faruwa lokacin da ƙwayar ta motsa zuwa -2 cm (girman 4 cm) sannan ta koma matsayinta na farko na 2 cm.
Akwai girgiza sau biyu a cikin daƙiƙa 1 don haka bayan daƙiƙa 1 ƙwayar ta kasance a x = 2 cm kuma tana motsawa zuwa hagu.
Amsar da ta dace ita ce E.
10. Lokacin da ake buƙata don pendulum ya yi rawar jiki daga ABCBA shine daƙiƙa 2 tare da nisa na AC = 6 cm. Mita da girman girgizar pendulum sune...
A. 0,5 Hz da 3 cm
B. 0,5 Hz da 6 cm
C. 1,0 Hz da 6 cm
D. 2,0 Hz da 12 cm
Tattaunawa
Lokaci (T) = daƙiƙa 2
Mita (f) = 1/T = 1/2 = 0,5 /dakika = 0,5 Hertz
Girma (A) = 1/2 (6 cm) = 3 cm
Amsar da ta dace ita ce A.
Tushen tambaya:
Tambayoyin Jarrabawar Ƙasa ta Kimiyya ta Makarantar Sakandare/Makarantar Sakandare ta Musulunci
