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  • Physics 103

Relativity

This course's main goal is to describe the theories of relativity to develop the relation between space and time. The course describes the two postulates of relativity and the type of frames to which they apply. The course progresses by the introduction of Lorentz transformation that is the core of special relativity. The application of Lorentz invariance includes simultaneity, time dilation, length contraction, doppler effect and the transformation of velocities. It further develops the quantitative relation between mass, speed, energy,and momentum. The course concludes by describing the impact of special relativity.

7 topics

136 lectures

Educators

RC

Course Curriculum

Wave Optics
19 videos
Reflection and Refraction of Light
22 videos
Relativity
21 videos
Quantum Physics
24 videos
Atomic Physics
15 videos
Nuclear Physics
15 videos
Condensed Matter Physics
20 videos

Relativity Lectures

02:35
Relativity

Relativity - Intro

In physics, the theory of relativity (or simply relativity) encompasses two theories by Albert Einstein: special relativity and general relativity.
Robert Call
RC
07:30
Relativity

Foundational Ideas - Overview

In philosophy, foundationalism is the view that certain basic beliefs are justified without reference to other beliefs. Such beliefs are said to be justified "foundationally". The general strategy of foundationalism is to break a chain of reasoning at its weakest link—to show that one need not accept any of the beliefs which are reached by a chain of reasoning, if one does not accept its starting point.
Robert Call
RC
03:00
Relativity

Foundational Ideas - Example 1

In philosophy, foundationalism is the view that certain basic beliefs are justified without reference to other beliefs. Such beliefs are said to be justified "foundationally". The general strategy of foundationalism is to break a chain of reasoning at its weakest link—to show that one need not accept any of the beliefs which are reached by a chain of reasoning, if one does not accept its starting point.
Robert Call
RC
01:46
Relativity

Foundational Ideas - Example 2

In philosophy, foundationalism is the view that certain basic beliefs are justified without reference to other beliefs. Such beliefs are said to be justified "foundationally". The general strategy of foundationalism is to break a chain of reasoning at its weakest link—to show that one need not accept any of the beliefs which are reached by a chain of reasoning, if one does not accept its starting point.
Robert Call
RC
03:00
Relativity

Foundational Ideas - Example 3

In philosophy, foundationalism is the view that certain basic beliefs are justified without reference to other beliefs. Such beliefs are said to be justified "foundationally". The general strategy of foundationalism is to break a chain of reasoning at its weakest link—to show that one need not accept any of the beliefs which are reached by a chain of reasoning, if one does not accept its starting point.
Robert Call
RC
02:31
Relativity

Foundational Ideas - Example 4

In philosophy, foundationalism is the view that certain basic beliefs are justified without reference to other beliefs. Such beliefs are said to be justified "foundationally". The general strategy of foundationalism is to break a chain of reasoning at its weakest link—to show that one need not accept any of the beliefs which are reached by a chain of reasoning, if one does not accept its starting point.
Robert Call
RC
08:06
Relativity

Time and Length - Overview

Time and length are related through the speed of light. The speed of light is the most important factor in determining the relationship between time and length. The speed of light is 299,792,458 metres per second in a vacuum. Therefore, time and length are inversely proportional to each other.
Robert Call
RC
01:50
Relativity

Time and Length - Example 1

Time and length are related through the speed of light. The speed of light is the most important factor in determining the relationship between time and length. The speed of light is 299,792,458 metres per second in a vacuum. Therefore, time and length are inversely proportional to each other.
Robert Call
RC
01:54
Relativity

Time and Length - Example 2

Time and length are related through the speed of light. The speed of light is the most important factor in determining the relationship between time and length. The speed of light is 299,792,458 metres per second in a vacuum. Therefore, time and length are inversely proportional to each other.
Robert Call
RC
01:50
Relativity

Time and Length - Example 3

Time and length are related through the speed of light. The speed of light is the most important factor in determining the relationship between time and length. The speed of light is 299,792,458 metres per second in a vacuum. Therefore, time and length are inversely proportional to each other.
Robert Call
RC
04:22
Relativity

Time and Length - Example 4

Time and length are related through the speed of light. The speed of light is the most important factor in determining the relationship between time and length. The speed of light is 299,792,458 metres per second in a vacuum. Therefore, time and length are inversely proportional to each other.
Robert Call
RC
04:22
Relativity

Lorentz Transformations - Overview

In physics, the Lorentz transformation is the transformation of space and time coordinates from one reference frame to another reference frame that is moving relative to the first one. The transformation was discovered by Hendrik Lorentz (1899) and Henri Poincaré (1904) as a way to reconcile the Maxwell equations for electricity and magnetism with the laws of mechanics.
Robert Call
RC
02:29
Relativity

Lorentz Transformations - Example 1

In physics, the Lorentz transformation is the transformation of space and time coordinates from one reference frame to another reference frame that is moving relative to the first one. The transformation was discovered by Hendrik Lorentz (1899) and Henri Poincaré (1904) as a way to reconcile the Maxwell equations for electricity and magnetism with the laws of mechanics.
Robert Call
RC
03:46
Relativity

Lorentz Transformations - Example 2

In physics, the Lorentz transformation is the transformation of space and time coordinates from one reference frame to another reference frame that is moving relative to the first one. The transformation was discovered by Hendrik Lorentz (1899) and Henri Poincaré (1904) as a way to reconcile the Maxwell equations for electricity and magnetism with the laws of mechanics.
Robert Call
RC
03:19
Relativity

Lorentz Transformations - Example 3

In physics, the Lorentz transformation is the transformation of space and time coordinates from one reference frame to another reference frame that is moving relative to the first one. The transformation was discovered by Hendrik Lorentz (1899) and Henri Poincaré (1904) as a way to reconcile the Maxwell equations for electricity and magnetism with the laws of mechanics.
Robert Call
RC
02:14
Relativity

Lorentz Transformations - Example 4

In physics, the Lorentz transformation is the transformation of space and time coordinates from one reference frame to another reference frame that is moving relative to the first one. The transformation was discovered by Hendrik Lorentz (1899) and Henri Poincaré (1904) as a way to reconcile the Maxwell equations for electricity and magnetism with the laws of mechanics.
Robert Call
RC
06:18
Relativity

Energy and Doppler Effect - Overview

In physics, redshift happens when light seen coming from an object is proportionally increased in wavelength, or shifted to the red end of the spectrum. The phenomenon is commonly seen in the spectra of astronomical objects. It can be seen in the spectra of stars, quasars, and galaxies. The observed redshift is proportional to the object's distance from the observer, and was first noticed in the 18th century by astronomer William Herschel. The most commonly accepted explanation of the redshift is that it is a Doppler shift that is proportional to the object's relative velocity with respect to the observer.
Robert Call
RC
02:41
Relativity

Energy and Doppler Effect - Example 1

In physics, redshift happens when light seen coming from an object is proportionally increased in wavelength, or shifted to the red end of the spectrum. The phenomenon is commonly seen in the spectra of astronomical objects. It can be seen in the spectra of stars, quasars, and galaxies. The observed redshift is proportional to the object's distance from the observer, and was first noticed in the 18th century by astronomer William Herschel. The most commonly accepted explanation of the redshift is that it is a Doppler shift that is proportional to the object's relative velocity with respect to the observer.
Robert Call
RC
02:08
Relativity

Energy and Doppler Effect - Example 2

In physics, redshift happens when light seen coming from an object is proportionally increased in wavelength, or shifted to the red end of the spectrum. The phenomenon is commonly seen in the spectra of astronomical objects. It can be seen in the spectra of stars, quasars, and galaxies. The observed redshift is proportional to the object's distance from the observer, and was first noticed in the 18th century by astronomer William Herschel. The most commonly accepted explanation of the redshift is that it is a Doppler shift that is proportional to the object's relative velocity with respect to the observer.
Robert Call
RC
02:42
Relativity

Energy and Doppler Effect - Example 3

In physics, redshift happens when light seen coming from an object is proportionally increased in wavelength, or shifted to the red end of the spectrum. The phenomenon is commonly seen in the spectra of astronomical objects. It can be seen in the spectra of stars, quasars, and galaxies. The observed redshift is proportional to the object's distance from the observer, and was first noticed in the 18th century by astronomer William Herschel. The most commonly accepted explanation of the redshift is that it is a Doppler shift that is proportional to the object's relative velocity with respect to the observer.
Robert Call
RC
02:23
Relativity

Energy and Doppler Effect - Example 4

In physics, redshift happens when light seen coming from an object is proportionally increased in wavelength, or shifted to the red end of the spectrum. The phenomenon is commonly seen in the spectra of astronomical objects. It can be seen in the spectra of stars, quasars, and galaxies. The observed redshift is proportional to the object's distance from the observer, and was first noticed in the 18th century by astronomer William Herschel. The most commonly accepted explanation of the redshift is that it is a Doppler shift that is proportional to the object's relative velocity with respect to the observer.
Robert Call
RC

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