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Mowjadaha biyaha

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Faahfaahinta casharka

Natiijada casharka

I can explain how water waves consist of oscillations of water and describe how water waves can superpose and reflect.

Muuji qoraalka
As a water wave moves forward, each bit of water is moving up and down (oscillating), not forward. Water waves are transverse waves: the direction of oscillation is 90° to the direction of energy transfer. The amplitude of a water wave is the greatest distance water moves above and below the rest position. Waves that pass through each other can ‘add up’ or ‘cancel out’; this is called wave superposition. Water waves reflect from hard barriers, obeying the laws of reflection.

Warqadda shaqada

weli lama diyaarin

Imtixaannada

  1. 1. Waa kuwee kuwan soo socda noocyada mowjadaha (waves)?

    • Jawaabta saxda ah:if (light)
    • awood (potential)
    • dhawaaq (sound)
    • kor u qaadid (upthrust)
    • biyo (water)

  2. 2. Mid ka mid ah kuwan soo socda ayaa muujinaya xariiqyo isbarbar socda (parallel lines)?

    • Sawirka koowaad
    • Jawaabta saxda ah:Sawirka labaad
    • Sawirka saddexaad
    • Sawirka afraad

  3. 3. Mid ka mid ah kuwan soo socda ayaa si sax ah u muujinaya milicsiga (reflection) iftiinka marka uu ku dhaco muraayad?

    • A
    • B
    • Jawaabta saxda ah:C
    • D

  4. 4. Laba ka mid ah weedhahan soo socda ee ku saabsan sharciyada milicsiga (laws of reflection) waa kuwa sax ah?

    • Jawaabta saxda ah:Xagasha soo-gaadhista (angle of incidence) iyo xagasha milicsiga (angle of reflection) waxay ku yaalliin dhinacyo ka soo horjeeda xariiqda toosan (normal).
    • Xagasha soo-gaadhista iyo xagasha milicsiga waxay ku yaalliin isla dhinaca xariiqda toosan.
    • Xagasha soo-gaadhista iyo xagasha milicsiga waxay ku yaalliin isla diyaarad (plane) ah.
    • Xagasha soo-gaadhista iyo xagasha milicsiga waxay ku yaalliin diyaarado kala duwan.

  5. 5. Ereygaas ee soo socdaa kee baa macnihiisu yahay ‘in tamarta loo wareejiyo kaydka kulaylka’ iyadoo la kululeynayo agagaarka?

    • calibrate (qiyaasid)
    • Jawaabta saxda ah:dissipate (kala firdhiso)
    • evaporate (uumayso)
    • radiate (shucaaciyo)

  1. 1. Ereygaas ee soo socdaa midkee macnihiisu yahay dhaqdhaqaaq dib iyo hor (back-and-forth movement)?

    • amplitude (ballaadhka)
    • dissipation (kala baxa)
    • frequency (intay soo noqnoqoto)
    • Jawaabta saxda ah:oscillation (is-rogrogasho)

  2. 2. Kee ka mid ah weedhahan soo socda ayaa sax ah?

    • Mowjadaha biyuhu waxay u gudbiyaan tamar iyo walxaha hal jiho.
    • Mowjadda biyaha, walxaha biyuhu waxay si isdaba joog ah u dhaqaaqaan midig iyo bidix.
    • Jawaabta saxda ah:Wejiga mowjadda (wavefront) waa xariiqo loo sawiro si loo muujiyo meelaha sare ee mowjadda.

  3. 3. Mid ka mid ah kuwan soo socda waa eray qeexaya waxa mowjaduhu (waves) sameeyaan markay is dhex maraan?

    • superimpose
    • Jawaabta saxda ah:superpose
    • suppose

  4. 4. Jaantusku wuxuu muujinayaa mowjadda (wave) ka dhalatay marka laba mowjadood is dhex maraan. Kee ka mid ah kuwan soo socda wuxuu muujinayaa laba mowjadood oo isku daraya si ay u sameeyaan mowjaddan natiijada ah xilligan?

    • Jawaabta saxda ah:A
    • B
    • C
    • D

Waxa ardaydu arkaan

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