
According to the special theory of relativity which one is not an absolute quantity?
A. Time
B. Mass
C. Height
D. Both A and B
Answer
414.3k+ views
Hint:An absolute scale is a measurement system that starts at the lowest point, or zero point, and moves in only one direction. An absolute scale contrasts from an arbitrary, or "relative," scale, which starts at a position chosen by the user and can go either way. An absolute scale starts at a natural minimum, with just one possible direction of progression.
Complete answer:
The special theory of relativity, or simply special relativity, is a scientific theory on the connection between space and time in physics. The theory is based on two postulates in Albert Einstein's original treatment.In all inertial frames of reference, the rules of physics are invariant (that is, they are the same) (that is, frames of reference with no acceleration).
Regardless of the mobility of the light source or spectator, the speed of light in vacuum is the same for all observers. The effects of special relativity have been experimentally demonstrated in a wide range of situations. The relativity of simultaneity, length contraction, time dilation, the relativistic velocity addition formula, the relativistic Doppler effect, relativistic mass, a universal speed limit, mass–energy equivalence, the speed of causality, and the Thomas precession are only a few examples.
It has, for example, replaced the traditional concept of absolute universal time with the concept of time that is based on the reference frame and geographic location.An invariant spacetime interval exists between two occurrences, rather than an unchanging time interval.Time and mass are not absolute quantities in classical physics.
Hence option D is correct.
Note:The Laws of Relativity - whether these changes of state are attributed to one or both of two systems in uniform translatory motion relative to one other, the laws by which the states of physical systems change remain unaffected.
Complete answer:
The special theory of relativity, or simply special relativity, is a scientific theory on the connection between space and time in physics. The theory is based on two postulates in Albert Einstein's original treatment.In all inertial frames of reference, the rules of physics are invariant (that is, they are the same) (that is, frames of reference with no acceleration).
Regardless of the mobility of the light source or spectator, the speed of light in vacuum is the same for all observers. The effects of special relativity have been experimentally demonstrated in a wide range of situations. The relativity of simultaneity, length contraction, time dilation, the relativistic velocity addition formula, the relativistic Doppler effect, relativistic mass, a universal speed limit, mass–energy equivalence, the speed of causality, and the Thomas precession are only a few examples.
It has, for example, replaced the traditional concept of absolute universal time with the concept of time that is based on the reference frame and geographic location.An invariant spacetime interval exists between two occurrences, rather than an unchanging time interval.Time and mass are not absolute quantities in classical physics.
Hence option D is correct.
Note:The Laws of Relativity - whether these changes of state are attributed to one or both of two systems in uniform translatory motion relative to one other, the laws by which the states of physical systems change remain unaffected.
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