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MODERN PHYSICS REAL ESTATE EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS

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MODERN PHYSICS REAL ESTATE EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS Which statement is supported by Einstein's postulates of special relativity? - Answer-The speed of light through empty space is constant regardless of the state of motion of the observer. A van is traveling on a road at ...

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  • November 8, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • modern physics
  • modern physics real estate exam questions

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MODERN PHYSICS REAL ESTATE
EXAM QUESTIONS WITH
CORRECT DETAILED ANSWERS

Which statement is supported by Einstein's postulates of special relativity? - Answer-
The speed of light through empty space is constant regardless of the state of motion of
the observer.

A van is traveling on a road at a speed of 55 km/h. A girl sitting near the driver of the
van throws a paper airplane to a boy at the back of the van with a speed of 2 km/h.

The speed of the paper airplane, to the nearest whole number relative to a stationary
observer on the side of the road, is ___
km/h. - Answer-53

Alex is standing still and throws a football with a speed of 10 m/s to his friend, who is
also standing still. The two friends are standing 5 meters apart.

Which describes how each person observes the speed of the football? - Answer-Both
Alex and his friend observe it as 10 m/s.

According to the concept of length contraction, what happens to the length of an object
as it approaches the speed of light and then slows down, eventually coming to a stop? -
Answer-It is observed as contracting and then expanding back to its original length.

The chart lists the masses of four planets.


According to evidence that supports Einstein's general theory of relativity, which list
shows the planets that would cause curvature in space-time from the least amount of
curvature to the greatest? - Answer-Mars, Venus, Uranus, Neptune

Kendra made a chart to compare aspects of Newton's universal law of gravitation with
Einstein's general theory of relativity.



Which best completes the chart? - Answer-The greater the mass of an object, the
greater the space-time curvature.

, Which best explains a difference between Einstein's general theory of relativity and his
special theory of relativity? - Answer-His general theory includes uniform and
accelerated motion, but his special theory applies only to uniform motion.

Which best explains how an object at rest deep in space and far from any massive body
behaves compared to an object in free fall in Earth's gravitational field? - Answer-They
behave the same because, according to the principle of equivalence, the laws of
physics work the same in all frames of reference.

What did both Newton and Einstein believe directly affects gravity? - Answer-mass of
objects

Which best explains a difference between Einstein's general theory of relativity and his
special theory of relativity? - Answer-His general theory includes uniform and
accelerated motion, but his special theory applies only to uniform motion.

The principle of _____
states that objects behave in the same manner in a gravitational field and in an
accelerated frame of reference. - Answer-Equivalence

Rafi made a diagram to compare Newton's universal law of gravitation with Einstein's
general theory of relativity.


Which label belongs in the area marked X? - Answer-Gravity causes objects to fall to
the ground.

A scientist obtains images of a particular star, which appears as four separate stars.

Which phenomenon causes the star to appear this way? - Answer-gravitational lensing

Diego drew a diagram to illustrate evidence that scientists use to support part of
Einstein's general theory of relativity.

Which phenomenon does Diego's diagram illustrate? - Answer-gravitational lensing

After the supernova in a star's life cycle, what else is formed in addition to a nebula? -
Answer-black hole or neutron star

Scientists discovered that stars in the universe are mostly composed of which
elements? - Answer-hydrogen and helium

Redshifts were used as supporting evidence for the big bang theory.

Which describes redshifts? Check all that apply. - Answer-2,3,5
Observed light shifts to a longer wavelength.

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