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Question 19M.3.HL.TZ1.20b.i

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.3.HL.TZ1.20b.i
Level HL Paper 3 Time zone TZ1
Command term Draw Question number b.i Adapted from N/A
b.i.
[Maximum mark: 1]
19M.3.HL.TZ1.20b.i

The graph shows the variation with time of the cosmic scale factor R of the universe for the flat model of the universe without dark energy.

(b.i)

Draw, on the axes, a graph to show the variation with time of the cosmic scale factor R for the flat model of the universe with dark energy.

[1]

Markscheme

 ✔

Examiners report

Cosmological origin of redshift. The cosmological redshift and variation with time of the cosmic scale factor proved to be a well-mastered concept by many students.

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