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關於光譜

Authored by 光正 王

Science

9th - 12th Grade

Used 21+ times

關於光譜
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

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圖中甲、乙、丙三種光譜圖,何種型式為吸收光譜?

2.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

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溫度相當於太陽的黑體,其光譜應為哪一種型式?

3.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

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一般恆星的光譜較接近哪一種型式?

4.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

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宇宙中高溫星雲的光譜較接近哪一種型式?

5.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

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宇宙中某天體的光譜如丙圖示,則若以波長為橫座標,能量強度為緃座標,則該天體釋出各波長的輻射強度分布曲線較接近下列何者?

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6.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

天文學家將恆星分成 O、B、A、F、G、K、M 七種主要類型,這是根據哪一依據來做分類的?

恆星光譜特徵

恆星大小

恆星距離地球的遠近

恆星的亮度

7.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

現今天文學家得知太陽成分以氫為主,氦次之,也可得知太陽表面的溫度,這些訊息是如何得知的?

利用溫度計測量

分析太陽光的光譜而得知

與其他和地球不同距離的恆星比較

利用太陽的亮度判斷

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