最近1 hour 線上瀏覽紀錄.220
  1. 18:51:IP=123.126.113.134:-1 from Beijing(cn)1:電源特性 電壓源 電流源
  2. 18:51:IP=123.193.156.109:-1 from Taipei(tw)1:科氏力4:科氏力的簡介
  3. 18:51:IP=114.35.119.196:-1 from Taipei(tw)1:硫酸與水
  4. 18:51:IP=110.26.164.246:-1 from Tucheng(tw)1:關於光子的吸收
  5. 18:51:IP=114.37.125.170:-1 from Taipei(tw)1:為何地球會自轉?
  6. 18:51:IP=106.120.173.108:-1 from Beijing(cn)1:[exam problem] angular momentum problem
  7. 18:51:IP=123.126.113.83:-1 from Beijing(cn)1:請問一下電偶極
  8. 18:51:IP=106.120.173.138:-1 from Beijing(cn)1:駐波實驗真實情況
  9. 18:51:IP=27.247.11.132:-1 from Tucheng(tw)1:會不會觸電的問題
  10. 18:51:IP=42.76.166.171:-1 from Taipei(tw)1:電阻R和長度L與截面積A的關係
  11. 18:50:IP=114.136.176.246:-1 from Tucheng(tw)1:失重狀態 代表 只受重力作用?
  12. 18:50:IP=66.249.79.165:-1 from Mountain View(us)1:請問\"水\"最低可以到幾度c
  13. 18:50:IP=114.39.74.231:-1 from Taipei(tw)1:日蝕
  14. 18:50:IP=223.138.12.232:-1 from Tucheng(tw)1:絕熱膨脹,證明
  15. 18:49:IP=114.43.0.3:-1 from Taoyuan (tw)2:Circuitlab線上電路模擬器
  16. 18:49:IP=117.19.193.177:-1 from Taipei(tw)3:數學符號的意義
  17. 18:49:IP=207.46.13.84:-1 from REDMOND(us)1:如何找出水中魚真正的位置
  18. 18:49:IP=220.181.108.80:-1 from BEIJING(cn)1:有關對流的問題
  19. 18:49:IP=106.120.173.126:-1 from Beijing(cn)1:有關雷射(鄒志成)
  20. 18:48:IP=66.249.82.106:-1 from Mountain View(us)1:光波是什麼波?
  21. 18:48:IP=114.39.230.220:-1 from Taipei(tw)3:有趣的3D 圖片
  22. 18:48:IP=223.136.13.150:-1 from Taipei(tw)1:3接頭110v用了三轉二的轉接頭後接地線還有功\能嗎?
  23. 18:48:IP=111.82.167.32:-1 from Tucheng(tw)1:誤差值的計算
  24. 18:47:IP=220.181.125.183:-1 from BEIJING(cn)1:球為何會停下來
  25. 18:46:IP=36.229.82.65:-1 from Tucheng(tw)1:熱的單位
  26. 18:46:IP=114.27.197.25:-1 from Kaohsiung(tw)1:鉛直落下運動 動能換位能?
  27. 18:46:IP=114.47.108.216:-1 from Taipei(tw)1:自製驗電器
  28. 18:46:IP=180.217.124.61:-1 from Taipei(tw)1:接 : NaCl 溶於水是物理變化or化學變化
  29. 18:46:IP=118.169.13.162:-1 from Taipei(tw)1:關於今年大考有效數字的爭議
  30. 18:45:IP=123.125.71.99:-1 from BEIJING(cn)1:迦里略的實驗
  31. 18:45:IP=223.137.229.67:-1 from Tucheng(tw)1:電磁爐與磁浮列車(葉澄鴻)
  32. 18:45:IP=118.163.15.85:-1 from Tucheng(tw)1:電感與電容
  33. 18:44:IP=125.31.39.210:-1 from Macau(mo)1:冰塊加鹽
  34. 18:44:IP=61.216.33.20:-1 from Hsinchu(tw)1:請問一下介電常數與電極化率的物理意義不同在哪??
  35. 18:44:IP=61.216.43.140:-1 from Linkou(tw)1:磁單極子受證實,Dirac踢Maxwell下台
  36. 18:44:IP=115.82.168.22:-1 from Taipei(tw)5:壓力的單位及換算
  37. 18:44:IP=36.233.105.64:-1 from Taipei(tw)1:有關變壓器的問題
  38. 18:44:IP=49.214.131.252:-1 from Tucheng(tw)1:磁場對人體無害論
  39. 18:44:IP=39.9.173.170:-1 from Taipei(tw)1:托里切利實驗
  40. 18:43:IP=157.55.39.167:-1 from REDMOND(us)1:關於電磁鐵磁導率的疑問
  41. 18:43:IP=27.246.166.181:-1 from Tucheng(tw)1:電蚊拍的電壓疑問
  42. 18:43:IP=118.163.12.151:-1 from Tucheng(tw)1:汽車行進時前後輪所受到摩擦力方向?
  43. 18:43:IP=101.15.192.199:-1 from Tucheng(tw)1:邏輯:P則Q 與-Q則-P
  44. 18:43:IP=98.232.239.238:-1 from PORTLAND(us)1:熵的明確物理意義
  45. 18:43:IP=114.136.58.61:-1 from Taipei(tw)1:失重狀態
  46. 18:43:IP=42.73.12.130:-1 from Tucheng(tw)1:地球半徑的計算
  47. 18:43:IP=66.249.79.158:-1 from Mountain View(us)1:虹吸原理......是什麼^^"?(小籠包)
  48. 18:43:IP=123.126.113.120:-1 from Beijing(cn)1:熱電動勢~三個小問題
  49. 18:42:IP=203.121.240.217:-1 from Tucheng(tw)1:日光燈啟動器中 並聯電容器 的原因?
  50. 18:42:IP=106.120.173.117:-1 from Beijing(cn)1:電磁波
  51. 18:42:IP=111.243.157.61:-1 from Tucheng(tw)1:水膜如何附著鋁合金金屬表面
  52. 18:42:IP=49.215.147.84:-1 from Taipei(tw)1:有關平均自由徑的疑問
  53. 18:42:IP=123.125.71.26:-1 from BEIJING(cn)1:物體發光的方向
  54. 18:41:IP=223.140.160.175:-1 from Tucheng(tw)1:光速為速度之極,然相對運動呢?
  55. 18:41:IP=39.10.132.49:-1 from Taipei(tw)1:為什麼非彈性碰撞質心動能守恆 和 動量守恆
  56. 18:40:IP=123.126.113.170:-1 from Beijing(cn)1:證明兩質點間的相對接近速度
  57. 18:40:IP=114.38.5.73:-1 from Taipei(tw)1:請問 怎麼判斷溶於水是吸熱還放熱
  58. 18:40:IP=101.137.66.40:-1 from Taipei(tw)1:直流電真的不能變壓嗎?
  59. 18:40:IP=106.1.186.172:-1 from Taipei(tw)1:為什麼是\'\'半\'\'衰期??
  60. 18:39:IP=123.126.113.177:-1 from Beijing(cn)1:儀器解析度???(wendy)
  61. 18:39:IP=123.126.113.186:-1 from Beijing(cn)1:公車上煞車時向前轉動問題
  62. 18:39:IP=115.82.19.241:-1 from Tucheng(tw)1:光強度I的定義是什麼
  63. 18:39:IP=61.227.131.238:-1 from Taipei(tw)1:電阻無限串並聯的問題
  64. 18:38:IP=180.217.67.233:-1 from Tucheng(tw)1:如何判斷兩物\"摩擦起電\"後,誰帶正電?誰帶負電?
  65. 18:38:IP=101.13.160.165:-1 from Tucheng(tw)1:內動能
  66. 18:38:IP=123.125.71.85:-1 from BEIJING(cn)1:用心動腦話科學
  67. 18:38:IP=99.199.109.9:-1 from Vancouver(ca)2:動量守恆與動能..
  68. 18:38:IP=108.245.208.53:-1 from Fair Oaks(us)1:電風扇
  69. 18:37:IP=111.71.70.90:-1 from Tucheng(tw)1:散射與漫射
  70. 18:37:IP=223.137.225.65:-1 from Tucheng(tw)1:圓與橢圓軌道運動週期的比較
  71. 18:36:IP=110.26.97.219:-1 from Taipei(tw)1:一個關於熱虹吸現象的實驗
  72. 18:36:IP=123.126.113.152:-1 from Beijing(cn)1:ejs 顯示出 錯誤的函數圖形 怎麼回事?????
  73. 18:36:IP=1.172.105.156:-1 from Taipei(tw)1:能量轉換疑問,廢熱究竟會不會消失?
  74. 18:35:IP=218.161.25.245:-1 from Taipei(tw)1:Potential Energy的問題
  75. 18:35:IP=106.120.173.159:-1 from Beijing(cn)1:使用時出現ERROR
  76. 18:35:IP=220.181.125.104:-1 from BEIJING(cn)1:我的假設正確嘛
  77. 18:35:IP=101.10.65.195:-1 from Taipei(tw)1:供電系統208/120,N相跟接地反接
  78. 18:34:IP=180.204.87.27:-1 from Tucheng(tw)1:請教交通事故問題點!
  79. 18:34:IP=114.27.197.25:-1 from Kaohsiung(tw)1:慣性運動....等題目
  80. 18:33:IP=223.136.149.180:-1 from Tucheng(tw)1:有關摩擦力一問
  81. 18:33:IP=218.252.56.112:-1 from Central District(hk)1:circular motion
  82. 18:33:IP=118.168.234.91:-1 from Taipei(tw)1:離子燙的問題
  83. 18:33:IP=220.181.125.67:-1 from BEIJING(cn)1:天線近場與遠場
  84. 18:32:IP=182.235.94.251:-1 from Tucheng(tw)1:凸透鏡設計凸面R大小
  85. 18:32:IP=110.28.232.11:-1 from Tucheng(tw)1:聲波計算題
  86. 18:31:IP=180.217.120.232:-1 from Tucheng(tw)1:圓周運動,求向心力在T/2內給的衝量
  87. 18:31:IP=1.168.78.145:-1 from Tucheng(tw)1:關於線積分保守場F證明
  88. 18:31:IP=42.74.249.120:-1 from Tucheng(tw)1:請問正電荷到底會否移動
  89. 18:31:IP=223.16.194.128:-1 from Central District(hk)1:normal reaction force
  90. 18:31:IP=42.76.210.183:-1 from Tucheng(tw)1:張力的定義
  91. 18:31:IP=220.181.108.77:-1 from BEIJING(cn)1:磁化是物理變化還是化學變化
  92. 18:31:IP=27.52.14.144:-1 from Tucheng(tw)1:有關蒸發的問題
  93. 18:31:IP=49.219.133.247:-1 from Kaohsiung(tw)1:RMS 有效值 與 AVG 平均值的選擇疑問
  94. 18:31:IP=140.114.47.150:-1 from Hsinchu(tw)1:u型管的壓力問題
  95. 18:30:IP=122.121.136.58:-1 from Taipei(tw)1:50HZ的電器接60HZ的電會有問題嗎?
  96. 18:30:IP=220.181.125.177:-1 from BEIJING(cn)1:熱的傳遞:輻射
  97. 18:30:IP=42.74.175.191:-1 from Tucheng(tw)1:漲潮
  98. 18:30:IP=140.116.22.13:-1 from Tainan(tw)1:倒晶格
  99. 18:30:IP=49.158.44.171:-1 from Tucheng(tw)1:弓箭的原理
  100. 18:29:IP=114.136.235.77:-1 from Taipei(tw)1:玻璃是液體嗎???
  101. 18:29:IP=64.233.172.172:-1 from Saint Louis(us)1:為何將一塊"中間挖個圓洞的金屬板"加熱後這個圓洞的面積會增大?(國小自然四上第七單元) (黃福坤)
  102. 18:28:IP=123.126.113.85:-1 from Beijing(cn)1:夜市套圈圈遊戲的精心設計∼
  103. 18:28:IP=180.204.168.167:-1 from Taipei(tw)2:單相2線220V電表量測110/220V準確度問題
  104. 18:28:IP=123.126.113.160:-1 from Beijing(cn)1:請問中性點接地及設備接地有何區別?
  105. 18:28:IP=220.181.125.135:-1 from BEIJING(cn)1:關於在電梯中上升下降體中增減問題
  106. 18:27:IP=49.217.233.251:-1 from Taipei(tw)1:位能圖
  107. 18:27:IP=106.120.173.72:-1 from Beijing(cn)1:接觸起電的一個問題
  108. 18:27:IP=39.9.142.104:-1 from Taipei(tw)1:打火機外掛 → 火焰噴射器
  109. 18:27:IP=123.125.71.51:-1 from BEIJING(cn)1:薛丁格貓的問題
  110. 18:27:IP=218.161.34.32:-1 from Taipei(tw)1:電感飽和
  111. 18:27:IP=106.120.173.132:-1 from Beijing(cn)1:波速公式
  112. 18:27:IP=180.217.215.243:-1 from Tucheng(tw)1:焦耳的定義
  113. 18:26:IP=220.181.125.23:-1 from BEIJING(cn)1:兩個水族箱的壓力
  114. 18:25:IP=59.125.211.253:-1 from Taipei(tw)1:為何4度C的水密度最大?
  115. 18:25:IP=220.181.125.68:-1 from BEIJING(cn)1:理想氣體公式的問題
  116. 18:25:IP=106.120.173.114:-1 from Beijing(cn)1:帶電大平板的電場
  117. 18:24:IP=123.203.48.82:-1 from Central District(hk)1:紙飛機的流體
  118. 18:24:IP=114.34.229.58:-1 from Tucheng(tw)1:自由落體 問題
  119. 18:24:IP=117.19.228.136:-1 from Taipei(tw)1:變壓器的等壓併流
  120. 18:23:IP=1.200.32.89:-1 from Tucheng(tw)1:DIY製作蜆精的物理原理?
  121. 18:23:IP=123.125.71.43:-1 from BEIJING(cn)1:有關摩擦力..
  122. 18:23:IP=101.9.164.117:-1 from Tucheng(tw)1:Hence, 須對單頻的光作量子化 ^_^
  123. 18:23:IP=106.120.173.153:-1 from Beijing(cn)1:杯與水
  124. 18:23:IP=39.8.130.153:-1 from Tainan(tw)1:電磁波的樣子
  125. 18:22:IP=180.217.142.37:-1 from Tucheng(tw)1:為什麼星光紅移就代表宇宙膨脹??
  126. 18:22:IP=27.52.7.220:-1 from Tucheng(tw)1:雙切電路問題
  127. 18:21:IP=39.12.77.39:-1 from Taipei(tw)1:力 vs 地球/月球
  128. 18:21:IP=66.249.82.108:-1 from Mountain View(us)1:關於光電效應的光電子最大動能
  129. 18:20:IP=223.138.159.237:-1 from (tw)1:自製簡易電漿球 & 碳粉放電現象
  130. 18:20:IP=220.181.125.17:-1 from BEIJING(cn)1:瞬時速度問題題目.....
  131. 18:20:IP=220.181.108.167:-1 from BEIJING(cn)1:新版脈衝波的疊加
  132. 18:19:IP=123.126.113.128:-1 from Beijing(cn)1:轉彎時向心力為摩擦力?
  133. 18:19:IP=49.217.227.96:-1 from Taipei(tw)1:為何深水區的波速大?而淺水區波速較小?
  134. 18:17:IP=42.77.255.190:-1 from Tucheng(tw)1:蒸氣壓與沸點
  135. 18:16:IP=111.249.2.55:-1 from Taipei(tw)1:有關浮力的題目
  136. 18:16:IP=123.125.71.33:-1 from BEIJING(cn)1:光線通過介面時的行為—反射與折射
  137. 18:16:IP=61.224.184.38:-1 from Taipei(tw)1:自由度?及如何計算?(邱建仁)
  138. 18:15:IP=220.181.125.98:-1 from BEIJING(cn)1:太陽??圓形??
  139. 18:15:IP=223.139.224.117:-1 from Tucheng(tw)1:熱力學困惑
  140. 18:15:IP=123.126.113.175:-1 from Beijing(cn)1:往上還是往下(浮沉)
  141. 18:14:IP=61.216.83.7:-1 from Taipei(tw)1:白努力定律與康達效應
  142. 18:13:IP=39.12.230.156:-1 from Taipei(tw)1:核種活度:3
  143. 18:13:IP=27.52.94.10:-1 from Tucheng(tw)1:酸鹼中和,結晶
  144. 18:13:IP=42.75.27.23:-1 from Taipei(tw)1:請問一下都卜勒效應的一些問題
  145. 18:13:IP=220.181.125.124:-1 from BEIJING(cn)1:載流導線磁場
  146. 18:12:IP=223.140.248.72:-1 from Tucheng(tw)1:電動機與發電機原理???
  147. 18:12:IP=1.169.168.111:-1 from Tucheng(tw)1:為何溫度升高時水溶液的溶解量會增高
  148. 18:12:IP=112.119.11.109:-1 from Central District(hk)1:小兒辯日(急需答案)
  149. 18:12:IP=27.52.200.48:-1 from Tucheng(tw)1:外力為保守力作功\時?
  150. 18:12:IP=218.173.75.178:-1 from Kaohsiung(tw)1:電子游動與電流速度
  151. 18:12:IP=122.121.136.58:-1 from Taipei(tw)1:變壓器60HZ使用在50HZ之電源影響
  152. 18:12:IP=122.121.136.58:-1 from Taipei(tw)1:220v 50hz 220v 60hz 轉換
  153. 18:10:IP=42.75.15.196:-1 from Tucheng(tw)1:為何凱氏溫標的表達沒有"o"(度)?(張慶堂)
  154. 18:09:IP=111.252.223.119:-1 from (tw)1:光在三稜鏡中行進的速度是否相同
  155. 18:09:IP=61.222.147.25:-1 from Tucheng(tw)1:截波器電路
  156. 18:09:IP=157.55.39.66:-1 from REDMOND(us)1:透鏡的基本觀念
  157. 18:09:IP=111.83.107.85:-1 from (tw)1:虹吸管
  158. 18:09:IP=220.181.125.130:-1 from BEIJING(cn)1:禮拜六我就要考科學班很急
  159. 18:08:IP=203.70.88.120:-1 from Taipei(tw)1:是什么\提供向心力?
  160. 18:08:IP=49.217.167.159:-1 from Tucheng(tw)1:過氧化氫製備氧的實驗,是放熱還是吸熱?
  161. 18:08:IP=114.46.49.238:-1 from Chunghua(tw)3:為何用高壓輸電的疑問
  162. 18:07:IP=111.248.203.13:-1 from (tw)1:重力位能的問題
  163. 18:07:IP=220.135.110.58:-1 from Taipei(tw)1:蒸氣量計算
  164. 18:07:IP=27.247.162.176:-1 from Tucheng(tw)2:電功\率的公式應用(版主註:高壓傳輸)
  165. 18:06:IP=27.242.200.168:-1 from Tucheng(tw)1:彈性碰撞公式推導問題?
  166. 18:06:IP=27.247.234.43:-1 from Tucheng(tw)1:光碟片為何會有七彩光澤?
  167. 18:05:IP=111.71.40.32:-1 from Taipei(tw)1:W=Fd??
  168. 18:05:IP=220.181.125.168:-1 from BEIJING(cn)1:磁生電
  169. 18:05:IP=180.217.144.213:-1 from Tucheng(tw)1:都卜勒效應證明
  170. 18:05:IP=1.200.223.118:-1 from Taipei(tw)1:開快車跟開慢車,何者較省油,原因為何?
  171. 18:05:IP=180.217.89.39:-1 from Tucheng(tw)1:利用刮痕自製全像片!
  172. 18:04:IP=106.120.173.144:-1 from Beijing(cn)1:歐姆定律的問題...?
  173. 18:04:IP=119.247.151.71:-1 from Central District(hk)1:曼哈頓計畫下的原爆引來外星人關注(天狼星人關心假說)
  174. 18:03:IP=114.32.123.83:-1 from Taipei(tw)1:阻尼震盪與強迫震盪
  175. 18:03:IP=140.114.51.248:-1 from Hsinchu(tw)1:直流電有頻率嗎?
  176. 18:03:IP=49.216.245.106:-1 from Tucheng(tw)1:折射率和波長的關係
  177. 18:03:IP=59.126.30.97:-1 from Taichung(tw)1:單狹縫實驗同調光
  178. 18:02:IP=113.52.81.6:-1 from Macau(mo)1:斜面上的純滾動+彈簧
  179. 18:02:IP=101.14.249.68:-1 from Tucheng(tw)1:化學式???
  180. 18:02:IP=49.218.103.32:-1 from Taipei(tw)1:反應時間與行車安全距離
  181. 18:02:IP=223.137.140.208:-1 from Tucheng(tw)1:核分裂的質能互換問題
  182. 18:02:IP=123.126.113.88:-1 from Beijing(cn)1:有關貝塔射線的問題
  183. 18:01:IP=123.125.71.39:-1 from BEIJING(cn)1:弦上的振動頻率
  184. 18:01:IP=123.126.113.81:-1 from Beijing(cn)1:光折射時頻率與波長的關係
  185. 18:01:IP=114.38.178.99:-1 from Taipei(tw)1:數量級
  186. 18:00:IP=114.32.154.159:-1 from Taipei(tw)1:慣性 解釋
  187. 18:00:IP=42.76.168.180:-1 from Tucheng(tw)1:關於電磁感應的感應電流....困惑中...
  188. 18:00:IP=27.242.96.133:-1 from Tucheng(tw)1:水面上滾動的水珠?
  189. 17:59:IP=123.126.113.115:-1 from Beijing(cn)1:{問題}空氣密度...
  190. 17:59:IP=42.72.77.156:-1 from Tucheng(tw)1:颱風中心為什麼是下沉氣流
  191. 17:59:IP=106.120.173.150:-1 from Beijing(cn)1:為何在無線電頻道中有時會聽見使用頻率相差很遠的頻道內容?
  192. 17:58:IP=118.169.227.118:-1 from Taipei(tw)1:合力為0為何有加速度?
  193. 17:58:IP=140.96.98.155:-1 from Hsinchu(tw)1:群速(Group Velocity)和相速( Phase Velocity)
  194. 17:58:IP=123.125.71.56:-1 from BEIJING(cn)1:要怎嚜判斷ㄧ個物體的運動是受定力OR變力?
  195. 17:57:IP=220.181.125.4:-1 from BEIJING(cn)1:3根導線的磁場強度
  196. 17:57:IP=223.141.121.25:-1 from Tucheng(tw)1:關於電
  197. 17:57:IP=101.8.247.231:-1 from Taipei(tw)1:關於接地的幾個問題
  198. 17:57:IP=42.77.63.95:-1 from Tainan(tw)1:變壓器二次側一定要接地嗎
  199. 17:57:IP=27.247.233.244:-1 from Taipei(tw)1:無電阻電路的電流一問
  200. 17:57:IP=220.181.125.149:-1 from BEIJING(cn)1:2D拋體的平均『速率』
  201. 17:56:IP=114.136.37.40:-1 from Tucheng(tw)1:能階與殼層
  202. 17:56:IP=140.115.51.193:-1 from Taoy羹an(tw)1:將熱水與冰水置於冷凍庫,哪個會先結冰?[彭巴效應]
  203. 17:56:IP=118.170.68.184:-1 from Taipei(tw)2:再論[電漿球燒破紙片]的現象!
  204. 17:56:IP=27.246.193.84:-1 from Tucheng(tw)1:螢光(林雅鈞)
  205. 17:56:IP=220.181.125.163:-1 from BEIJING(cn)1:SVG工具:繪圖工具
  206. 17:56:IP=39.12.192.196:-1 from Taipei(tw)1:為什麼飽和液氣混合要兩個獨立性質?
  207. 17:56:IP=117.19.162.67:-1 from Taipei(tw)1:銅加鹽酸
  208. 17:55:IP=180.217.185.80:-1 from Tucheng(tw)1:車子轉彎的向心力為-------所提供?
  209. 17:55:IP=118.232.139.88:-1 from Tucheng(tw)1:雙狹縫實驗中為何沒有個別討論兩個狹縫的單狹縫繞射
  210. 17:55:IP=101.10.49.84:-1 from Tucheng(tw)1:助燃性的爭議?
  211. 17:54:IP=114.36.188.43:-1 from Taipei(tw)1:物理學不好,問題在哪裡?
  212. 17:54:IP=61.228.100.132:-1 from Taipei(tw)2:什麼是官能基
  213. 17:54:IP=220.181.108.84:-1 from BEIJING(cn)1:我想問有關橡皮筋ㄉ問題
  214. 17:54:IP=220.181.125.138:-1 from BEIJING(cn)1:軟鐵製成的縫衣針 浮在水面上所指的方向?
  215. 17:54:IP=180.204.82.204:-1 from Tucheng(tw)1:機械波之波速是否與介質密度成正相關?
  216. 17:54:IP=27.247.37.214:-1 from Tucheng(tw)1:進入不同介質後波長改變,光量子的動量會變嗎?
  217. 17:54:IP=220.135.22.28:-1 from Taipei(tw)1:微波爐內放金屬有危險,為何內殼卻用金屬?
  218. 17:53:IP=42.72.68.10:-1 from Tucheng(tw)1:單狹縫與雙狹縫
  219. 17:53:IP=111.71.41.34:-1 from (tw)1:shear stress 流體力學
  220. 17:52:IP=101.9.81.156:-1 from Tucheng(tw)1:鐵達尼號的浮力