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Score 0/17 Timer 05:00
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Question Answer Wrong Answers
An Orange star is ...... class? ???
59.4%
???
12.5%
???
3.1%
???
6.3%
A Red star is ...... class? ???
53.1%
???
6.3%
???
12.5%
???
12.5%
Balmer lines are caused by a the presence of Hydrogen in what state? ???
50%
???
18.8%
???
6.3%
???
12.5%
Which of these stellar classes is the hottest? ???
46.9%
???
6.3%
???
21.9%
???
6.3%
Neutral atoms,TiO are prominently absorbed by ...... class stars? ???
46.9%
???
12.5%
???
6.3%
???
21.9%
What is the intrinsic colour of a star with the temperature range 11000-25000K? ???
43.8%
???
3.1%
???
15.6%
???
25%
A stellar class has a temperature range of 3500-5000 K, what are this class' prominent absorption lines? ???
40.6%
???
18.8%
???
18.8%
???
6.3%
What is the intrinsic colour of a G class star? ???
40.6%
???
12.5%
???
9.4%
???
15.6%
He and H are the prominent absorption lines for what class of star? ???
40.6%
???
28.1%
???
12.5%
???
6.3%
What is the strength of a F class star's Balmer lines? ???
40.6%
???
3.1%
???
15.6%
???
31.3%
What are the prominent absorption lines for an A class star? ???
40.6%
???
21.9%
???
6.3%
???
18.8%
A yellow-white star has a temperature range of ? ???
37.5%
???
3.1%
???
18.8%
???
25%
What is the temperature range of a F class star? ???
37.5%
???
15.6%
???
18.8%
???
18.8%
A star's prominent absorption lines are caused by ionised metals, what colour is this star? ???
34.4%
???
15.6%
???
18.8%
???
21.9%
What is the temperature range of the stellar class with the strongest Balmer absorption lines? ???
34.4%
???
18.8%
???
31.3%
???
6.3%
Which of these classes has the longest wavelength of light emitted from it? ???
28.1%
???
18.8%
???
15.6%
???
18.8%
The general trend in Balmer line prominence as you move through the classes (From O to M) is: ???
28.1%
???
6.3%
???
25%
???
21.9%

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