# Yahoo奇摩 網頁搜尋

1. ### line and continuous spectrum

...wavelength of the wave emitted is within the visible spectrum, then spectral lines are observed. A collection of these spectral lines ...

2. ### phy electric field line

Just imagine if equipotential lines were not perpendicular to electric field lines , then at any point on an equipotential...the charge along the equipotential line . Only under the situation that the equipotential line and electric field line are perpendicular to each other, there is no electric...

3. ### What is a line spectrum ???

Line spectrum is an experiment showing that the energy levels of an atom...

4. ### power transmission line

The balls let the pilot of flying plane see the cables. Of course not. The high voltage will not allow anyone (or anything) to go close the the cables.

5. ### Graphs of straight- line motion

在 s-t graph 中, 倘若以「三角形」的形式出現, 則在 t = 5 的一瞬間其速度由 +5 m/s 立即變為 - 5 m/s (因為在 t = 5 的左方全段時 s-t graph 的斜率為 +5, 而右方全段的斜率為 -5). 由於速度變化是在一瞬間, 即經歷的時間為 0 秒. 換言之它的加速度肯定是無限大 (不論它的速度變量為多少, 只要不等於零...

6. ### (10 marks) Phy. questions about WAVES (5)

在水波槽中的腹線 (Antinodal line ) 及節線(Nodal line )的繪畫，可如下圖所示： 圖片參考：http://www...

7. ### mathesd

prove the straight line passing through A(2,3)and B(-4,-6)passes through the origin...since the slope are equal, so AB pass through the origin how many straight lines are there on the cartesian coordinate plane with slope 1? infinity...

8. ### Physics: Induced current同Induced e.m.f.

...有emf,而emf就是用來推動電子(電荷)來產生電流。 當所有金屬cut到d magnetic field lines 嘅時候,都會有induced emf，因為會有magnetic force推動電子，但induced...

9. ### 電的問題.... AL~

... charge is doing work when it travels along the field line . If the field lines form a loop, then the net work done by the...

10. ### Density

... per cubic meter. How does the Plimsoll Line work? Plimsoll Line , also Plimsoll mark or waterline, the...

1. ### 相關詞

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