Physics WPH11: Astrophysics and Cosmology Topical Past Paper Questions
Edexcel A Level Physics (WPH11) past-paper questions on Astrophysics and Cosmology, free. This topic is frequently examined across 14 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
The InSight Lander is a robot explorer designed to study the planet Mars. (a) The graph shows how the gravitational potential varies above the surface of Mars. (i) Show that the mass of Mars is about $ 6.4 \times 10^{23} $ kg. (3) (ii) In the final stage of landing, InSight moved…
Tau Ceti is a main sequence star similar to the Sun. Several planets orbit Tau Ceti. (a) (i) The spectrum of electromagnetic radiation emitted by Tau Ceti has a maximum intensity at a frequency of $ 5.50 \times 10^{14} $ Hz. Show that the surface temperature of Tau Ceti is about…
The source of energy in a main sequence star is the fusion of hydrogen into helium. The fusion of hydrogen to helium occurs in a number of stages but it can be approximated as 4 protons coming together to form a helium nucleus. (a) (i) Show that when 4 protons form a helium nucle…
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