Menu
Create
Random
Create Account
Login
0
0
0
Language
Deutsch
Español
Français
Italiano
Nederlands
Polski
Português
Suomi
More...
Search...
Featured Quizzes
All Featured Quizzes
New and Reset
Random
Top Today
Geography
History
User Quizzes
Most Recent
All User-Created
Tags
Highest Rated
Most Taken
Nominated Quizzes
Recent Spotlights
Create Quiz
Create / Edit Quiz
New Text Quiz
New Picture Quiz
New Click Quiz
New Click Map Quiz
New Multiple Choice
New Tile Select
SVG Guide
Data and Charts
JetPunk Charts
Recent Charts
Create Chart
Info Pages
Country Population
Interesting Facts
Interesting Quotes
Blogs
Official Blog
User Blogs
Recent User Blogs
Blogs by Tag
Create Blog
Badges and Games
Badges
Word Search
Minigames
Social
Facebook
Reddit
Discord
Twitter
Instagram
About JetPunk
About Us
Contact Us
JetPunk Premium
Change Log
Terms of Service
Planting Trees
JetPunk Shop
Dark Mode
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
Profile
Quizzes
Subscribed
Subscribe?
Rate:
Nominate
Nominated
Spotlight
Last updated: January 8, 2019
You have not attempted this quiz yet.
More quiz info >>
First submitted
January 8, 2019
Times taken
21
Average score
33.3%
Report this quiz
Report
Quiz and answer stats >>
Friends stats >>
Start Quiz
3:00
Give Up?
Enter answer here:
0
/ 30 guessed
Time Used
00:00
Best Time
00:00
The quiz is paused. You have
remaining.
Resume
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
more stats >>
friends stats >>
Keep scrolling down for answers and more stats ...
Retake Quiz
Share Result
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
No comments yet
Add comment
New and Popular
all
de
en
es
fi
fr
it
nl
pl
pt
Countries of the World Quiz
US States Quiz
Countries of the World with an Empty Map
NBA Teams Quiz
12 Months in 15 Seconds
Fast Typing 1 to 100
Countries of Europe Quiz
US States by Borders in 30 Seconds
Countries that Start with C
12 x 12 Multiplication Table in 2 Minutes
Island Countries Quiz
40 Historical People that Everyone Should Know
Biggest Countries by Population
Countries of Asia Quiz
Countries that Start with G
Random
Top Today
Save Your Progress
Create Account