The Doppler Effect with Light (Grade 12 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the speed of light in a vacuum?
What is the speed of light in a vacuum?
Which equation relates the speed of light to frequency and wavelength?
Which equation relates the speed of light to frequency and wavelength?
What causes redshift in light from a distant galaxy?
What causes redshift in light from a distant galaxy?
The galaxy is moving away from observer
What is blueshift in terms of wavelength?
What is blueshift in terms of wavelength?
A shift towards shorter wavelengths
When wavelength increases, what happens to frequency if light speed is constant?
When wavelength increases, what happens to frequency if light speed is constant?
Frequency decreases
If spectral lines shift to longer wavelengths, what does this indicate?
If spectral lines shift to longer wavelengths, what does this indicate?
The galaxy is moving away from us
What did Edwin Hubble discover about distant galaxies?
What did Edwin Hubble discover about distant galaxies?
Nearly all show redshift
In Hubble's law , what does represent?
In Hubble's law , what does represent?
Hubble constant
Why do distant galaxies appear redshifted?
Why do distant galaxies appear redshifted?
Space itself is expanding
If hydrogen lines appear at 520 nm instead of 500 nm, is the galaxy approaching or receding?
If hydrogen lines appear at 520 nm instead of 500 nm, is the galaxy approaching or receding?
Receding