The Proper Time Interval Between Two Events Is Measured from the Frame

question 23

Multiple Choice

The proper time interval between two events is measured from the frame of reference of an observer present at both events. Therefore, the proper time measurement of the decay of a neutron is measured by

• A) an observer in the national lab at Los Alamos or any other certified nuclear lab.
• B) an observer at the speed of light, relative to the neutron.
• C) an observer who is emitting light at all frequencies.
• D) an imaginary observer riding along with the neutron.
• Fill in the Blank Questions

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