Theory of Relativity Title of report Encercle by Dr. M.Mifdal Realized by ZRAR Mohamed.

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Transcription de la présentation:

Theory of Relativity Title of report Encercle by Dr. M.Mifdal Realized by ZRAR Mohamed

Plan Newtonian RelativitySpecial RelativityGeneral Relativity

Relativity of Newton Special Relativity General Relativity Newtonian (Classical) Relativity Assumption It is assumed that Newton’s laws of motion must be measured with respect to (relative to) some reference frame.

The special relativity is based by two postats : 1.The laws of nature are equally valid in every inertial reference frame. 2.The speed of light in empty space is same for all inertial observers, regard- less of their velocity or the velocity of the source of light. Relativity of Newton Special Relativity General Relativity

Consequences of Special relativity  Time Dilation:  Length Contraction:  Mass  Relativistic Energy: m =  m 0 Relativity of Newton Special Relativity General Relativity

s General relativity is the extension of special relativity. It includes the effects of accelerating objects and their mass on spacetime. As a result, the theory is an explanation of gravity. It is based on two concepts: (1) the principle of equivalence, which is an extension of Einstein’s first postulate of special relativity and (2) the curvature of spacetime due to gravity. Relativity of Newton Special Relativity General Relativity

Einstein wrote a set of equations which replaced Newton’s law of gravity Relativity of Newton Special Relativity General Relativity

15.2: Tests of General Relativity  The first test of these came with a measurement of the bending of light around the Sun, during a solar eclipse of the sun by the moon, most of the sun’s light is blocked on Earth, which afforded the opportunity to view starlight passing close to the sun in The starlight was bent as it passed near the sun which caused the star to appear displaced Relativity of Newton Special Relativity General Relativity

Geral relativity is a big theory in physics fo explane moore phenomena cosmology but is not explicate some phenomena for example dark energy and mater energy …. Conclusion

Think you for your attention