A Level Physics - Spectral Classes - Statistics

General Stats
  • This quiz has been taken 27 times
  • The average score is 9 of 30
Answer Stats
Question Answer % Correct
What is the colour of stars in the O spectral class? Blue
100%
What is the colour of stars in the B spectral class? Blue
76%
What is the colour of stars in the F spectral class? White
52%
What is the colour of stars in the K spectral class? Orange
48%
What is the colour of stars in the M spectral class? Red
48%
What is the maximum temperature of the O spectral class? 50,000
43%
What is the colour of stars in the A spectral class? Blue-white
43%
What is the colour of stars in the G spectral class? Yellow-white
38%
What is the minimum temperature of the O spectral class? 25,000
33%
What is the maximum temperature of the B spectral class? 25,000
33%
What is the minimum temperature of the K spectral class? 3,500
29%
What is the maximum temperature of the M spectral class? 3,500
29%
What is the minimum temperature of the G spectral class? 5,000
29%
What is the maximum temperature of the K spectral class? 5,000
29%
What is the minimum temperature of the M spectral class? 0
24%
What is the minimum temperature of the F spectral class? 6,000
24%
What is the maximum temperature of the G spectral class? 6,000
24%
What is the minimum temperature of the A spectral class? 7,500
24%
What is the maximum temperature of the F spectral class? 7,500
24%
What are the strongest spectral lines in the B class? Helium and hydrogen
24%
What are the strongest spectral lines in the O class? Helium+ ion and helium
24%
What other lines are present in the O class? Hydrogen
24%
What is the minimum temperature of the B spectral class? 11,000
19%
What is the maximum temperature of the A spectral class? 11,000
19%
What is the most prevalent absorption in the A class? Hydrogen
10%
What are the most prevalent absorptions in the K class? Metal atom
5%
What other lines are present in the A class? Metal ion
5%
What are the strongest spectral lines in the F class? Metal ion
5%
What spectral lines are present in the G class? Metal ion/atom
5%
What spectral lines are present in the M class? Atom and molecule
0%
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