Exam (elaborations)
Act Theory of Relativity Questions 2024
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Act Theory of Relativity
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Act Theory of RelativityWhat is the special theory of relativity based on? - answerThe three properties of light.
What are the three properties of light? - answerThe speed of light is 3 x 10^(10)
The speed of light is the same for everyone
Nothing can go faster than the speed of light
Space and time are two aspects of a deeper unified reality. What is it called? -
answerSpacetime.
What is the easiest way spacetime can be warped? - answerMovement
In what direction does the spacetime of a moving object contract? - answerIn the space
direction. (the direction the object is moving) It looks smaller to an exterior observer.
The amount of contraction in faster moving objects is...? - answerGreater.
In what direction does the spacetime of a moving object slow? - answerIn the time
direction. Clocks tick more slowly inside the moving object if observed by a distant
person. But the person inside the moving object does not measure any slowing.
Why is the speed of light constant for anybody in and out of the moving object? -
answerThe contraction of the object and the slowing of time work together in exactly the
right way.
What does the special theory of relativity require of energy and mass? - answerThat
they be equivalent. (E=MC^(2))
In what year did Einstein guess that mass could be converted into energy? -
answer1907
The mathematics that shows how mass bends spacetime is deduced by what theory? -
answerThe general theory of relativity.
How an object move through warped spacetime? - answerIn a straight line.
How do we perceive the straight line motion of an object moving through spacetime? -
answerAs a curved motion in ordinary space and time, and we called motion under the
influence of gravity.
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