
國2上 K3-401403 easy
Authored by SHER LEE
Science
9th Grade

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49 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
軍人以步槍瞄準器瞄準敵人是利用光的何種性質?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
有一凹透鏡的焦距為20公分,今將一物體置於此凹透鏡前30公分處,則所成的像為下列何者?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列有關「光」的敘述,何者錯誤?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
白天室內沒有光源仍可看見物體的存在,這是因為物體表面對於室外投射進來的光線產生何種現象的緣故?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
先將鋁箔弄皺後再攤開,則當光在凹凸不平的鋁箔上反射時,其入射角和反射角的關係為何?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
實像與虛像最明顯的不同在於下列何者?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
關於判別實像、虛像的依據,何項是正確的?
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