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Gariirka codka

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Faahfaahinta casharka

Natiijada casharka

Waxaan sharxi karaa sida codka loo sameeyo iyo waxa go'aamiya mugga iyo heerka codka.

Hordhac

Darsigani wuxuu ka mid yahay cutubka 'Sound, Light and Vision' (Dhawaq, Iftiin iyo Arag), waxaanan kaga hadlaynaa sida dhawaqa loo sameeyo. Waa inaad hore u ogaatay in dhawaqu yahay wax la maqlo, laakiin ma ogtahay sida uu dhab ahaan uga yimaado gariirka?

Muuji qoraalka
All sounds are caused by vibrations. Some vibrations are too small or too fast to see. The volume of a sound means how loud or quiet it is. The pitch of a sound means how high or low it is. Amplitude is a measure of the distance or size of a vibration. The greater the amplitude, the louder a sound. Frequency is a measure of how often the vibrations occur. The greater the frequency, the higher the pitch. Sounds of different volume and pitch can be produced by controlling the amplitude and frequency of vibrations.

Warqadda shaqada

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Imtixaannada

  1. 1. Intee ka mid ah kuwan soo socda ayaa samayn kara dhawaq: xadhig gariiraya, maqaar durbaan oo gariiraya, ama hawada ku jirta tuubo oo gariiraya?

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    • Jawaabta saxda ah:3

  2. 2. Sidee ayay u beddeli doontaa dhawaqa qaadashada qoryaha marka la ku dhufo digsi haddii si adag loo ku dhufo?

    • Jawaabta saxda ah:codka (volume) ayaa kordhi doona
    • heerka codka (pitch) ayaa kordhi doona (cod dheer oo qaylo ah)
    • codka (volume) ayaa yaraan doona
    • heerka codka (pitch) ayaa yaraan doona (cod hoose oo qoto dheer)

  3. 3. Waa kuwee kuwan hoos ku qoran mid ka beddeli kara heerka codka (pitch) ee dhawaaqa?

    • ku garaacida furaha piano si adag
    • Jawaabta saxda ah:ku garaacida furayaal kala duwan oo piano ah
    • jiidista xadhko kala duwan oo guitar ah
    • jiidista xadhkaha guitar si khafiif ah

  4. 4. Waa maxay waxyaalaha ku dhaca dhegahaaga si aad u maqasho codka?

    • codku wuxuu galaa madaxaaga dalool yar
    • Jawaabta saxda ah:codku wuxuu gariiriyaa xuubka dhegta (eardrum)
    • codku wuxuu hawada ku qaadaa dhegahaaga
    • codku wuxuu gariiriyaa hawada ku jirta dhegahaaga

  1. 1. Sidee ku sifayn lahayd codka onkodka (thunder)?

    • cod dheer (high pitch) oo hooseeya (low volume)
    • cod dheer (high pitch) oo sareeya (high volume)
    • cod hooseeya (low pitch) oo hooseeya (low volume)
    • Jawaabta saxda ah:cod hooseeya (low pitch) oo sareeya (high volume)

  2. 2. Sidee ku sifayn lahayd codka jiirka?

    • Jawaabta saxda ah:cod sare iyo cod hoose (volume yar)
    • cod sare iyo cod sare (volume badan)
    • cod hoose iyo cod hoose (volume yar)
    • cod hoose iyo cod sare (volume badan)

  3. 3. Waa kee mid ka mid ah weedhahan ku saabsan dhawaqa ee la xiriira inta jeer ee uu dhaco (frequency)?

    • Jawaabta saxda ah:tirada gariirka ee ilbidhiqsi kasta
    • waxay dejisaa codka qiyaastiisa (volume)
    • waxay dejisaa heerka codka (pitch)
    • cabirka gariirka ee ka soo baxa meesha uu ku nasan yahay

Waxa ardaydu arkaan

Tan waa isla casharka sida ardaygu u arko. Waxaad qayb kasta u dirsan kartaa ardayda.

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