home
Menu
Create
Random
0
0
0
thumbnail

A Level Physics - Spectral Classes

Name the spectral classes' respective colour, temperature range and details about their absorption lines.
Temperature units are Kelvin
Quiz by Yosherax
Rate:
Last updated: January 8, 2019
You have not attempted this quiz yet.
More quiz info >>
First submittedJanuary 8, 2019
Times taken23
Average score30.0%
Report this quizReport
Quiz and answer stats >>
Friends stats >>
3:00
Enter answer here:
0
 / 30 guessed
The quiz is paused. You have remaining.
Scoring
You scored / = %
This beats or equals % of test takers also scored 100%
The average score is
Your high score is
Your fastest time is
Keep scrolling down for answers and more stats ...
Question
Answer
What is the colour of stars in the O spectral class?
Blue
What is the colour of stars in the B spectral class?
Blue
What is the colour of stars in the A spectral class?
Blue-white
What is the colour of stars in the F spectral class?
White
What is the colour of stars in the G spectral class?
Yellow-white
What is the colour of stars in the K spectral class?
Orange
What is the colour of stars in the M spectral class?
Red
What is the maximum temperature of the O spectral class?
50,000
What is the minimum temperature of the O spectral class?
25,000
What is the maximum temperature of the B spectral class?
25,000
What is the minimum temperature of the B spectral class?
11,000
What is the maximum temperature of the A spectral class?
11,000
What is the minimum temperature of the A spectral class?
7,500
What is the maximum temperature of the F spectral class?
7,500
What is the minimum temperature of the F spectral class?
6,000
Question
Answer
What is the maximum temperature of the G spectral class?
6,000
What is the minimum temperature of the G spectral class?
5,000
What is the maximum temperature of the K spectral class?
5,000
What is the minimum temperature of the K spectral class?
3,500
What is the maximum temperature of the M spectral class?
3,500
What is the minimum temperature of the M spectral class?
0
What are the strongest spectral lines in the O class?
Helium+ ion and helium
What other lines are present in the O class?
Hydrogen
What are the strongest spectral lines in the B class?
Helium and hydrogen
What is the most prevalent absorption in the A class?
Hydrogen
What other lines are present in the A class?
Metal ion
What are the strongest spectral lines in the F class?
Metal ion
What spectral lines are present in the G class?
Metal ion/atom
What are the most prevalent absorptions in the K class?
Metal atom
What spectral lines are present in the M class?
Atom and molecule
Your Next Quiz
• Countries of the World Quiz
• 2025 English Premier League Teams
• Every European Flag - Sudden Death
• Muslim Countries - Sudden Death
Comments
No comments yet
Save Your Progress
Copyright H Brothers Inc, 2008–2025
Contact Us | Go To Top | View Mobile Site