Special relativity Questions and Answers
100% Correct
relative to clocks in a stationary reference frame, clocks in a moving reference
frame run
a.at the same speed
b.slower
c.faster - ANSWER b. slower
Clocks on a spaceship moving very fast relative to the Earth run more slowly when
viewed from
a.the spaceship
b.the Earth
c.both places
d.neither place - ANSWER b. The Earth
Harry takes a space voyage and returns to find his twin sister has aged more than
he has. This is evidence that they have been in different
a. frames of reference
b. realms of time
c. space times
d. all of these
e. none of these - ANSWER d. all of these
According to special relativity, one can travel at increased rates
, a. backwards in time
b. both forward and backward in time
c. only forward in time - ANSWER c. only forward in time
A woman standing on the ground sees a rocket ship move past her at 95% of the
speed of light. Compared to when the rocket is at rest, the woman measures the
rocket's length as
a. shorter
b. longer
c. the same length - ANSWER a. shorter
According to Einstein's theory of special relativity
a. energy and mass are aspects of each other
b. space and time are aspects of each other
c. both of these
d. none of these - ANSWER c. both of these
According to the well-known equation "energy equals mass times the speed of
light squared,"
a. energy is actually mass traveling at the speed of light squared
b. mass and energy travel at twice the speed of light
c. mass and energy travel at the speed of light squared
d. mass and energy are related
e. none of these - ANSWER d. mass and energy are related
100% Correct
relative to clocks in a stationary reference frame, clocks in a moving reference
frame run
a.at the same speed
b.slower
c.faster - ANSWER b. slower
Clocks on a spaceship moving very fast relative to the Earth run more slowly when
viewed from
a.the spaceship
b.the Earth
c.both places
d.neither place - ANSWER b. The Earth
Harry takes a space voyage and returns to find his twin sister has aged more than
he has. This is evidence that they have been in different
a. frames of reference
b. realms of time
c. space times
d. all of these
e. none of these - ANSWER d. all of these
According to special relativity, one can travel at increased rates
, a. backwards in time
b. both forward and backward in time
c. only forward in time - ANSWER c. only forward in time
A woman standing on the ground sees a rocket ship move past her at 95% of the
speed of light. Compared to when the rocket is at rest, the woman measures the
rocket's length as
a. shorter
b. longer
c. the same length - ANSWER a. shorter
According to Einstein's theory of special relativity
a. energy and mass are aspects of each other
b. space and time are aspects of each other
c. both of these
d. none of these - ANSWER c. both of these
According to the well-known equation "energy equals mass times the speed of
light squared,"
a. energy is actually mass traveling at the speed of light squared
b. mass and energy travel at twice the speed of light
c. mass and energy travel at the speed of light squared
d. mass and energy are related
e. none of these - ANSWER d. mass and energy are related
