The Hertzsprung-Russell (HR) Diagram (AQA A-Level Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What two properties of stars does the HR Diagram plot?
What two properties of stars does the HR Diagram plot?
Temperature & absolute magnitude
How does the temperature scale on the HR Diagram change at each interval?
How does the temperature scale on the HR Diagram change at each interval?
It halves
On the HR Diagram, where do brighter stars appear?
On the HR Diagram, where do brighter stars appear?
Higher on the diagram
Which spectral class represents the hottest stars?
Which spectral class represents the hottest stars?
O
What is the spectral class of the Sun?
What is the spectral class of the Sun?
G
What is the absolute magnitude of the Sun?
What is the absolute magnitude of the Sun?
4.83
When a main sequence star exhausts hydrogen, how does it move on the HR Diagram?
When a main sequence star exhausts hydrogen, how does it move on the HR Diagram?
Up and to the right
Compared to main sequence stars, red giants are:
Compared to main sequence stars, red giants are:
Cooler and brighter
How does a star move on the HR Diagram when transitioning from red giant to white dwarf?
How does a star move on the HR Diagram when transitioning from red giant to white dwarf?
Down and to the left
Where are white dwarfs found on the HR Diagram?
Where are white dwarfs found on the HR Diagram?
Lower-left