Jajabka iftiinka ee baloog leydi ah (oo ay ku jiraan jaantusyada mawjadda)
Cashar 3 / 27
Muuqaalka casharka
Muuqaalku weli diyaar ma aha.
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weli lama diyaarin
Faahfaahinta casharka
Natiijada casharka
I can describe what refraction is, draw accurate diagrams of refraction and use the idea of wavefronts to explain what causes refraction.
Muuji qoraalka
Refraction is when waves travel from one transparent medium to another, causing a change in direction.
When waves slow down, they turn towards the normal line (angle of incidence > angle of refraction).
When waves speed up, they turn away from the normal line (angle of incidence < angle of refraction).
Refraction can be investigated using a clear rectangular block, ray box and narrow slit, pencil, paper and a protractor.
Refraction occurs when one side of a wavefront enters the new medium before the other, causing a change in wave speed.
Warqadda shaqada
weli lama diyaarin
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Imtixaankan weli diyaar ma aha.
Waxa ardaydu arkaan
Tan waa isla casharka sida ardaygu u arko. Waxaad qayb kasta u dirsan kartaa ardayda.
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