圖中甲、乙、丙三種光譜圖,何種型式為吸收光譜?

關於光譜

Quiz
•
Science
•
9th - 12th Grade
•
Medium
光正 王
Used 21+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
甲
乙
丙
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
溫度相當於太陽的黑體,其光譜應為哪一種型式?
甲
乙
丙
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
一般恆星的光譜較接近哪一種型式?
甲
乙
丙
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
宇宙中高溫星雲的光譜較接近哪一種型式?
甲
乙
丙
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
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?
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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