Skip to content

Course home

Sign up

7.2 The Universe and red-shift

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637383940
Question 39
H

The Big Bang theory predicts radiation remaining from an early hot Universe. The Universe then expands and cools.

Which describes the change that accounts for this radiation now being detected as microwaves?

[1]
A

Its wavelength decreases and its frequency increases.

B

Its wavelength increases and its frequency decreases.

C

Its wavelength increases and its frequency increases.

D

Its wavelength decreases and its frequency decreases.

Markscheme

7.2 The Universe and red-shift Questions

  1. GCSE
  2. /Physics
  3. /7.2 The Universe and red-shift

94 exam-style questions on Edexcel GCSE Physics 7.2 The Universe and red-shift, covering 7.2.1 Big Bang and Steady State theories, 7.2.2 Evidence for the Big Bang, 7.2.3 The Doppler effect and red-shift, 7.2.4 Red-shift as evidence for an expanding Universe, and 7.2.5 The CMB and the accepted model. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank