Are You a Relativity Genius?

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Questions and Answers

What is the fundamental principle in Einstein's theory of special relativity?

  • The speed of light is slower than the speed of sound
  • The speed of light in a vacuum is constant for all observers, regardless of their motion relative to the source of light (correct)
  • The speed of light is faster than the speed of sound
  • The speed of light is affected by the motion of the observer or the source of light

Who formulated the theory of electromagnetism?

  • Albert Einstein
  • Isaac Newton
  • James Clerk Maxwell (correct)
  • Michael Faraday

What is the value of the speed of light in a vacuum according to Einstein's theory of special relativity?

  • It is affected by the motion of the observer or the source of light
  • It is constant for all observers, regardless of their motion relative to the source of light (correct)
  • It is faster than the speed of sound
  • It is slower than the speed of sound

What did Einstein introduce by assuming the constancy of the speed of light?

<p>Two fundamental postulates of special relativity (C)</p> Signup and view all the answers

What did Maxwell's equations indicate about the speed of electromagnetic waves?

<p>It is determined by fundamental constants of nature and should always have the same value, regardless of the observer's motion (D)</p> Signup and view all the answers

What is an inertial reference frame according to the principle of relativity?

<p>A frame of reference that is moving with a constant velocity (D)</p> Signup and view all the answers

What is time dilation according to special relativity?

<p>The slowing down of time for a moving object relative to an observer (A)</p> Signup and view all the answers

What is length contraction according to special relativity?

<p>The contraction of an object's length in the direction of motion as it moves faster (D)</p> Signup and view all the answers

What is the principle of relativity?

<p>The laws of physics are the same in all reference frames (D)</p> Signup and view all the answers

What is the mass-energy equivalence?

<p>The concept that mass and energy are interchangeable (C)</p> Signup and view all the answers

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