Radiation Transforms Into Matter (HSC SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
According to the Big Bang Theory, approximately how old is the Universe?
According to the Big Bang Theory, approximately how old is the Universe?
13.8 billion years
What defines an elementary particle?
What defines an elementary particle?
Cannot be broken into smaller parts
Which of these is a truly elementary particle?
Which of these is a truly elementary particle?
Electron
Why do we observe mainly matter rather than antimatter in the Universe today?
Why do we observe mainly matter rather than antimatter in the Universe today?
Slightly more matter than antimatter formed
What is produced when an electron and positron annihilate?
What is produced when an electron and positron annihilate?
Two gamma rays
How many quarks compose a baryon?
How many quarks compose a baryon?
Three quarks
Which fundamental force do leptons NOT interact through?
Which fundamental force do leptons NOT interact through?
Strong force
What is the temperature of the cosmic microwave background radiation?
What is the temperature of the cosmic microwave background radiation?
Approximately 3 K
When did the Universe become transparent to radiation?
When did the Universe become transparent to radiation?
Around 380,000 years after Big Bang
Which field particle mediates the electromagnetic force?
Which field particle mediates the electromagnetic force?
Photons