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國二上理化Chap4_1 光的傳播與光速 2024 1026

Authored by Sone Wang

Physics

8th Grade

Used 6+ times

國二上理化Chap4_1 光的傳播與光速 2024 1026
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

如圖是胖多在暗室中,以蠟燭和手在牆壁上做出各種造型的影子,這個現象的成因是因為光的哪一種性質造成的?

彎曲性
直進性
反射性
折射性。

Answer explanation

Explanation for the answer (optional)

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

下列哪一種現象能支持光的直線傳播的理論?

光的色散
太陽光很強
影子的形成
光速很快。

Answer explanation

Jupiter is a gas giant made primarily of hydrogen and helium. Unlike terrestrial planets that have solid surfaces, gas giants like Jupiter don't have a well-defined solid surface, allowing them to accumulate more mass in a gaseous form. This composition has allowed Jupiter to grow significantly larger than planets with solid surfaces.

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

有關針孔成像的性質,下列何者錯誤?

成像上下顛倒
能證明光的傳播是直線前進的
得到左右相反的實像
針孔愈大,像愈清晰。

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

有關針孔成像的性質,下列何者錯誤?

證明光的直進性
針孔愈大,像愈清晰
上下顛倒的實像
得到左右相反的實像。

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

在針孔成像實驗中,如果針孔開得太大時,則在紙屏上的成像會發生什麼變化?

像由實像變虛像
像的清晰度減低
像由倒立變成正立
像的面積縮小。

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

主任下口令:「各班排頭為準,向右看齊。」同學們是利用光的哪一特性來看齊的?

光速很快
光的直線前進
光的反射
光的折射。

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

某生於下午四點時,在水平地面上垂直站立時發現其影長為 40 公分,同一時刻直立的 20 公尺高之水泥柱,其影長為 5 公尺,則該生身高為多少公尺?

1.50 公尺
1.60 公尺
1.70 公尺
1.80 公尺。

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