附圖是小東在暗室中,以蠟燭和手在屏幕上做影子的遊戲,試回答下列問題:
蠟燭、屏幕不動,將手移近蠟燭,影子大小變化?
第二章後半
Quiz
•
Physics
•
8th Grade
•
Hard
蔡忠霖 蔡忠霖
Used 1+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
附圖是小東在暗室中,以蠟燭和手在屏幕上做影子的遊戲,試回答下列問題:
蠟燭、屏幕不動,將手移近蠟燭,影子大小變化?
變大
不變
變小
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
附圖是小東在暗室中,以蠟燭和手在屏幕上做影子的遊戲,試回答下列問題:
手、屏幕不動,將蠟燭遠離手,影子大小變化?
變大
不變
變小
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
附圖是小東在暗室中,以蠟燭和手在屏幕上做影子的遊戲,試回答下列問題:
蠟燭、手不動,將屏幕接近手,影子大小變化?
變大
不變
變小
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
附圖是小東在暗室中,以蠟燭和手在屏幕上做影子的遊戲,試回答下列問題:
蠟燭、屏幕不動,將手接近屏幕,影子大小變化?
變大
不變
變小
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
參考附圖反射關係的角度示意,有一束光線射向平面鏡,則:
何者為「入射角」
θ1
θ2
θ3
θ4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
參考附圖反射關係的角度示意,有一束光線射向平面鏡,則:
何者為「反射角」
θ1
θ2
θ3
θ4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如右圖所示,有一束光線由甲點發射,經過乙點後垂直射至平面鏡上
的戊點,則反射的光射所經過的路徑應為下列何者?
戊→乙
戊→丙
戊→丁
戊→己
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