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光與暗的聯繫I

Authored by Yong Tian

Physical Ed

3rd Grade

Used 13+ times

光與暗的聯繫I
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12 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

下列何者不是重子物質?

原子

暗物質

恆星

電漿

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

下列何者不是電磁波?

X射線

重力波

可見光

紅外線

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

萬有引力定律可以計算重力質量?

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

重子質量可以用光學估算?

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1932年,茲威基發表本星系(Milky Way)的恆星運動學,他發現動力學所得到的質量是發光物質的三倍。

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

當光源靠近觀測者時,觀測者觀察到的電磁波會發生紅移?

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

1929年,美國天文學家艾德溫・哈伯發現距離銀河系越遠的星系退行越快?

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