
A10星等與星色
Quiz
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Medium
光正 王
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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
甲星和乙星的視星等相同,但絕對星等甲星大於乙星,則那一顆星距地球較遠?
甲
乙
一樣遠
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
甲星和乙星的絕對星等相同,但甲星距地球比乙星遠,則何者的視星等較大?
甲星
乙星
一樣大
3.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
依表格資料,推測那一顆星的發光能力較強?
甲
乙
一樣
4.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
依表格資料,推測那一顆星的距離較遠?
甲
乙
一樣
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
依表格資料,可推測甲星的發光強度約是乙星的幾倍?
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
圖中顯示不同溫度的甲、乙、丙三星體之星體表面單位面積單位時間釋出不同波長的輻射強度分布曲線,若三星體的直徑相同,且皆與地球等距離。請問哪一顆星體的視星等最大?
甲星
乙星
丙星
一樣大
7.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
2
4
16
32
Answer explanation
因甲星的溫度是乙星的2倍,輻射張度與溫度的4次方成正比,故甲星會比乙星亮16倍。
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