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Question 18N.3.HL.TZ0.a

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Date November 2018 Marks available [Maximum mark: 3] Reference code 18N.3.HL.TZ0.a
Level HL Paper 3 Time zone TZ0
Command term Show that Question number a Adapted from N/A
a.
[Maximum mark: 3]
18N.3.HL.TZ0.a

Show that the temperature of the universe is inversely proportional to the cosmic scale factor.

[3]

Markscheme

«wavelength of light/CBR» λ ∝ R ✔

reference to Wien’s law showing that λ ∝  1 T ✔

combine to get result ✔

 

OWTTE

 

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