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  1. ... than the coherent length? The crucial point in producing a steady interference pattern from waves emitted by two sources is that the waves must be coherent...

  2. 重點:關於 Wave 的 interference The helicopter reflects the TV waves . 1A ...

  3. But What Is n ,, λ ,, θ,, And d Means?? n即係第幾個spectrum λ就係實驗中所用的光的波長 θ就係那spectrum同埋中間線所有的角度 d就係個slit中間的距離

  4. 1st statement: crest and trough are always formed, not only crest 2nd statement: the maximum amplitudes after superposition of two waves is defined as constructive interference , so the amplitude is indeed increased

  5. I don't have the question. But " interference " is actually a general term. When two waves meet, the superposition of waves leads to wave interference . Hence, interference is a result of wave superposition.

  6. The 2 waves are going to pass each other rather than being reflected...each other, according to the principle of superposition, the resultant amplitude of the wave is the algebraic sum of amplitude of the two waves .

  7. Wave interference concerns with the waves themselves, not the sources... for constructive and destructive interference are that the two waves must be coherent (同步) and monochromatic (i.e. of the same single freuqency (單一頻率...

  8. 其實佢第二句都解左第一句 兩個light source produce interference partten 會令到原本兩個uniform 的light distribution 變到有interferen pattern, 即係話...

  9. Q: 想問如果一個light wave 同一個sound wave 做5做到 interference ?? A: Of course not. Light wave and sound wave are of different...

  10. ...of travel when enter a grass field from a smooth road. But they are not wave . So further test for interference and diffraction is needed.