Chapter Review

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equivalance principle General Relativity gravitational lens
gravitational redshift spacetime Special Relativity

Review Questions

  1. When are the unusual effects predicted by the Special Relativity theory particularly noticeable? Has this theory been tested? If yes, how so? If not, why not?
  2. What two things change when objects move at high speeds?
  3. How does the speed of light depend on the observer's location and motion?
  4. Why is the speed of light the fastest that anything can travel?
  5. How does the equivalance principle lead to the conclusion that spacetime is warped?
  6. What did Einstein predict would happen to a light ray passing close to a massive object?
  7. When are the unusual effects predicted by the General Relativity theory particularly noticeable? Have astronomers been able to test this theory of Einstein? If yes, how so? If not, why not?
  8. How is Einstein's theory of gravity the same as Newton's law of gravity?

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last updated: 17 May 2001

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Author of original content: Nick Strobel