Edexcel A Level Physics

Topic Questions

A LevelPhysicsEdexcelTopic Questions10. SpaceAstronomy

Astronomy

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There are several different methods that can be used to determine the distance from our solar system to astronomical objects. These include the measurement of red shift, trigonometrical parallax and the use of standard candles.

Which row of the table shows a suitable method for each of the objects named?

  Nearby star Nearby galaxy Very distant galaxy
A parallax red shift standard candle
B red shift standard candle parallax
C parallax standard candle red shift
D red shift parallax standard candle

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2
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A student finds a Hertzsprung-Russell diagram in an old astronomy book and notices that the axes aren’t the same as in her current textbook.

q9-nov-2020-9ph0-02-edexcel-as-a-level-phy

Which of the following graphs shows a correct alternative way to label the axes?

q9-1-nov-2020-9ph0-02-edexcel-as-a-level-phy

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3
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Five regions are labelled on the Hertzsprung-Russell diagram shown. 

q1-june-2019-9ph0-02-edexcel-as-a-level-phy

Which sequence could show part of the evolution of a star like the Sun? 

  • 1 → 5 → 3 

  • 2 → 3 → 4 

  • 3 → 5 → 1 

  • 4 → 3 → 2 

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