Hubble’s Law (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 does Hubble's Law state about a galaxy's recessional velocity?
What does Hubble's Law state about a galaxy's recessional velocity?
Directly proportional to its distance
What is the mathematical formula for Hubble's Law?
What is the mathematical formula for Hubble's Law?
What is the approximate value of the Hubble constant ?
What is the approximate value of the Hubble constant ?
65 km/s/Mpc
What formula is used to estimate the age of the universe from Hubble's Law?
What formula is used to estimate the age of the universe from Hubble's Law?
What factor converts from km to m when calculating age?
What factor converts from km to m when calculating age?
Multiply by 1000
What is the estimated age of the universe in years?
What is the estimated age of the universe in years?
15 billion years
What were the characteristics of the Big Bang singularity?
What were the characteristics of the Big Bang singularity?
Extremely small and hot
What is Cosmic Microwave Background Radiation (CMBR)?
What is Cosmic Microwave Background Radiation (CMBR)?
Leftover energy from the Big Bang
What is the observed percentage of hydrogen in the universe today?
What is the observed percentage of hydrogen in the universe today?
73%
Why did nuclear fusion stop after the Big Bang?
Why did nuclear fusion stop after the Big Bang?
The universe cooled down