Redshift (Edexcel GCSE Physics): Quizzes
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Practise the questions
10 questions from this quiz
What is red shift?
What is red shift?
Light stretched towards the red end of spectrum
When is red shift observed?
When is red shift observed?
When galaxies move away from Earth
How does redshift relate to galaxy distance?
How does redshift relate to galaxy distance?
Redshift increases with distance
What does redshift provide evidence for?
What does redshift provide evidence for?
The universe is expanding
In the balloon analogy, what do the dots represent?
In the balloon analogy, what do the dots represent?
Galaxies
What happens to wavelength during red shift?
What happens to wavelength during red shift?
Wavelengths appear longer
As wavelength increases during redshift, what happens to frequency?
As wavelength increases during redshift, what happens to frequency?
Frequency appears to decrease
What pattern does each element produce in the visible spectrum?
What pattern does each element produce in the visible spectrum?
Specific pattern of dark lines
What is observed in light patterns from distant galaxies?
What is observed in light patterns from distant galaxies?
Same patterns at lower frequencies
How does galaxy speed relate to distance from Earth?
How does galaxy speed relate to distance from Earth?
Further away, faster they move away