9702 · topic questions
Hubble's law and the Big Bang theory
8 past-paper questions on Hubble's law and the Big Bang theory
Explain how redshift leads to the idea that the Universe is expanding.
Practise the full question →Explain how the positions of the lines in the emission spectrum seen by an observer on the Earth differ from the positions shown…
Practise the full question →On Fig. 8.1, draw the three lines in possible positions in the spectrum seen by the observer.
Practise the full question →A value for the Hubble constant is 2.3 × 10⁻¹⁸s⁻¹. Determine the distance of the galaxy from the Earth.
Practise the full question →Determine: the distance d of the galaxy from the Earth
Practise the full question →On Fig. 10.1, sketch the variation of v with d.
Practise the full question →Determine the wavelength, in nm, of this radiation as detected by the observer on the Earth.
Practise the full question →Determine: the speed v of the galaxy relative to the Earth.
Practise the full question →
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