Theory of Relativity Quiz

The time interval between two events that occur at the same place in an observer's frame of reference.

The phenomenon where a clock moving relative to an observer ticks slower than a stationary clock.

The time measured by a clock at rest.

The time measured by a clock in motion relative to an observer.

The distance between two mirrors in a clock.

The speed of light in a vacuum.

The duration of a time interval, measured by an observer in a different frame of reference than the proper time.

The speed of a clock relative to an observer.

The beginning of modern physics is marked by Planck's discovery of energy quantization in blackbody radiation and Einstein's theories of relativity and light's quantum nature.

The theory of relativity, proposed by Albert Einstein, deals with the motion of objects moving at speeds close to the speed of light. It states that all motion is relative.

The special theory of relativity, developed in 1905, focuses on comparing measurements made in different frames of reference moving at constant velocities relative to each other.

The general theory of relativity, developed around 1916, deals with accelerated frames of reference and the concept of gravity.

A frame of reference is a location where an observer can make measurements and observe events.

A frame of reference that moves with a constant velocity relative to another inertial frame is also an inertial frame.

Frames of reference that accelerate with respect to inertial frames are non-inertial frames and do not follow the law of inertia.

All inertial frames are equally valid, and there's no absolute or universal frame of reference. The observer's motion influences their perception of events.

The time interval measured by an observer at rest relative to a clock.

The time interval measured by an observer who is moving relative to a clock.

The speed of an object relative to an observer.

The speed of light in a vacuum, a constant value.

The ratio of the time dilation between two observers.

The formula used to calculate time dilation.

The principle that all inertial observers observe the same laws of physics.

The apparent shortening of the distance between two points when an object moves at speeds close to the speed of light.

The time it takes for a signal to be received by an observer moving at relativistic speed. It is time dilated or slowed compared to the time interval measured in the observer's rest frame.

The speed of light in a vacuum, approximately 299,792,458 meters per second.

A reference frame in which an object is at rest.

A frame of reference in which an object is moving relative to the observer.

The length of an object as measured by an observer in the object's rest frame.

The length of an object as measured by an observer in a moving frame.

The component of an object's velocity along the x-axis as measured by an observer in frame S.

The component of an object's velocity along the x-axis as measured by an observer in frame S'.

The component of an object's velocity along the y-axis as measured by an observer in frame S.

The component of an object's velocity along the y-axis as measured by an observer in frame S'.

The component of an object's velocity along the z-axis as measured by an observer in frame S.

The component of an object's velocity along the z-axis as measured by an observer in frame S'.

In a stationary frame (S) an object moves with velocity v, in another frame (S') moving with velocity v relative to S, the object's velocity, according to Galilean transformation, is simply the difference between the velocities in S and S', which is v - v.

The principle of special relativity stating that the speed of light in vacuum is constant irrespective of the observer's motion or the source's motion.

The transformation between coordinates of two inertial frames of reference that moves at a constant velocity relative to each other, according to special relativity.

A factor in the Lorentz transformation that relates time and space coordinates in different inertial frames of reference, it depends on the relative velocity between the frames.

The relationship between the spatial coordinates of an event in one frame of reference (S) and another frame (S') moving at a constant velocity, according to the Lorentz transformation.

The relationship between the time coordinates of an event in one frame of reference (S) and another frame (S') moving at a constant velocity, according to the Lorentz transformation.

The first postulate of special relativity states that the laws of physics are the same in all inertial frames of reference.

The Lorentz transformation is a coordinate transformation that fulfills the first postulate of special relativity, meaning, the laws of physics are the same for all observers in inertial frames. It also explains the second postulate of special relativity, the constancy of speed of light.