光電效應
Quiz
•
Physics, Science
•
11th Grade
•
Practice Problem
•
Easy
楊雅玲 楊雅玲
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如果問愛因斯坦最著名的理論公式是什麼,相信十之有九會答_______
E = hν
E = (3/2)kT
E = mc²
E = hf
E = ½mv²
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
17世紀,誰做了著名三棱鏡分光實驗,證明了白光是由不同顏色的光組合而成。
惠根斯
都卜勒
牛頓
楊格
虎克
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
對於光電效應,古典物理學並不能解釋哪些問題(3項)?
為何照射時間越久,光電子動能越大?
為何只有超過某數值頻率的光才能把電子從物質釋放出來?
被釋放的電子的能量為何與光線的強度無關,而且有一個上限值?
為何光線的吸收與電子被釋放之間沒有時間差?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
普朗克公式為︰E = hf,其中E是光線的能量,f是光線的______,h是普朗克常數。______應填入?
波長
波速
折射率
週期
頻率
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
光線的強度只決定光子的______。______應填入?
快慢
頻率
波長
週期
數量
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
物質中電子的能量是不連續的,我們稱之為______。______應填入?
能階
功函數
最大動能
光量子
自由態
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下何者「非」光電效應的應用?
相機裡偵測光線強弱的感光器
太陽能板
影印機裡探測黑白深度的感測器
LED電視
商店大門打開的電眼
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