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Special relativity

Quiz by Rob Farr

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9 questions
Show answers
  • Q1
    Why is the speed of light considered the absolute speed limit?
    Because the speed of light is the speed at which time stops.
    Because nothing can travel faster than the speed of light.
    Because light is the only thing that can travel through a vacuum.
    Because as an object approaches the speed of light, its mass increases infinitely and would require an infinite amount of energy to accelerate any further.
    30s
  • Q2
    What is time dilation?
    The time at which an event occurs.
    The time it takes for light to travel a certain distance.
    The difference in the elapsed time measured by two observers.
    The distance between two points in space-time.
    30s
  • Q3
    What is the length contraction?
    The phenomenon of an increase in length as an object's velocity increases.
    The phenomenon of a decrease in length as an object's velocity increases.
    The phenomenon of a constant length regardless of an object's velocity.
    The phenomenon of the change in the width of an object.
    30s
  • Q4
    What is the equivalence of mass-energy?
    p = F/A
    F = ma
    E = mc²
    P = mv
    30s
  • Q5
    What does the theory of special relativity replace?
    The Newton's laws of motion.
    The Galilean transformations of classical mechanics.
    The Einstein's photoelectric law.
    The Coulomb's laws of electrostatics.
    30s
  • Q6
    What is the time order in which events occur for two observers in relative motion?
    Always the same for all observers.
    The opposite order for all observers.
    Relative depending on the observer’s motion.
    Only the same for observers at rest.
    30s
  • Q7
    What does the theory of special relativity describe?
    The behavior of objects at rest.
    The behavior of objects in motion relative to each other.
    The behavior of objects in a vacuum.
    The behavior of objects in different gravitational fields.
    30s
  • Q8
    What is the constant speed of light in a vacuum?
    500,000,000 meters per second.
    299,792,458 meters per second.
    1,000,000 meters per second.
    100,000 meters per second.
    30s
  • Q9
    What is the relationship between space and time?
    Time is three-dimensional and space is one-dimensional.
    Space and time are intertwined in a single construct known as space-time.
    Space is three-dimensional and time is one-dimensional.
    Space and time are independent of each other.
    30s

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