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Chapter 36 Physics - General Theory of Relativity Questions Latest Updated
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Chapter 36 Physics - General Theory of Relativity
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Chapter 36 Physics - General Theory ofRelativity
What is the principal difference between the theory of special relativity and the theory of
general relativity? - answer Special relativity applies to frames of reference moving at a
constant velocity, whereas general relativity includes accelerating reference frames
In a spaceship accelerating at g, far from Earth's gravity, how does the motion of a
dropped ball compare with the motion of a ball dropped at Earth's surface? - answer
The motions of the ball are the same
Exactly what is equivalent in the principle of equivalence? - answer Gravitation and
acceleration
Why must the Sun be eclipsed to measure the deflection of starlight passing near the
Sun? - answerWithout an eclipse, the Sun's glare makes it impossible to see stars near
the Sun
What is the effect of strong gravitation on measurements of time? - answerStrong
gravitational fields increase measured time intervals
How does the frequency of a particular spectral line observed in sunlight compare with
the frequency of that line observed from a source on Earth? - answerThe frequency of
the solar spectral line will be lower because of the strong gravity field
The ratio of circumference to diameter for measured circles on a disk equals ππ when
the disk is at rest, but not when the disk is rotating. Explain. - answerThe circumference
contracts due to its motion, whereas the radius does not
Why are gravitational waves so difficult to detect? - answerThey are the weakest waves
in nature
Does Einstein's theory of gravitation invalidate Newton's theory of gravitation? Explain. -
answerEinstein's theory agrees with Newton's because of the correspondence principle.
Einstein's theory reduces to Newton's in the realm in which Newton's had been tested
and proved
What effect does mass have on spacetime? - answerMass warps spacetime
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