Science
Junior High
Resolved
請問這題為什麼要選C
C
D)9. 凸透鏡成像實驗如右圖所示,
燭火恰可在紙屏上產生清晰的上
焦點 焦點
像,像比原物大,若透鏡位置
保持不動,欲在紙屏上產生與物體相等且清晰的像,
必須如何移動?
(A)將燭火右移,紙屏左移
(B)將燭火右移,紙屏右移
(C)將燭火左移,紙屏左移
(D)將燭火左移,紙屏右移
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