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6.2 Stars and the Universe

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Question 69

Which of the following correctly describes how an estimate for the age of the Universe is calculated using the Hubble constant, H0H_0H0​?

A

The reciprocal of the Hubble constant, 1H0\frac{1}{H_0}H0​1​

B

The product of the Hubble constant and the speed of light, H0cH_0 cH0​c

C

The square of the Hubble constant, H02H_0^2H02​

D

The ratio of the Hubble constant to the speed of light, H0c\frac{H_0}{c}cH0​​

Markscheme

6.2 Stars and the Universe Questions

  1. IGCSE
  2. /Physics
  3. /6.2 Stars and the Universe

104 exam-style questions on CIE IGCSE Physics 6.2 Stars and the Universe, covering 6.2.1 The Sun as a star, 6.2.2a Galaxies and astronomical distances, 6.2.2b The life cycle of a star, 6.2.3a Galaxies and the scale of the Universe, 6.2.3b Redshift, 6.2.3c The Big Bang Theory and cosmic microwave background radiation, and 6.2.3d The Hubble constant and the age of the Universe. Each one has a worked solution and a mark scheme showing where the marks go.

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