General Theory of Relativity

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What key concept does the General Theory of Relativity introduce?

It introduces the concept that gravity is a curvature of spacetime caused by mass.

Who developed the General Theory of Relativity?

Albert Einstein developed the General Theory of Relativity, publishing it in 1915.

What is the equivalence principle in General Relativity?

The equivalence principle states that gravitational and inertial effects are locally indistinguishable.

How does General Relativity differ from Newton's theory of gravity?

General Relativity describes gravity as a geometric property of space and time, unlike Newton's force-based approach.

What is a black hole according to General Relativity?

A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing, not even light, can escape.

How does General Relativity explain the precession of Mercury's orbit?

General Relativity accounts for the precession through the curvature of spacetime near the Sun.

What role do tensor equations play in General Relativity?

Tensor equations describe the gravitational field and how mass and energy interact with spacetime.

What is gravitational time dilation?

Gravitational time dilation is the effect where time runs slower in stronger gravitational fields.

How was General Relativity confirmed through observation?

The deflection of light by the sun, observed during a solar eclipse in 1919, confirmed General Relativity.

What is the cosmological constant?

The cosmological constant was introduced by Einstein to achieve a static universe, later associated with dark energy and universal expansion.

How does GPS technology relate to General Relativity?

GPS satellites adjust for differences in time experienced in Earth's gravitational field compared to the satellites' orbit.

What is frame dragging?

Frame dragging is an effect where a massive rotating body 'drags' spacetime around with it.

How does the bending of light occur in General Relativity?

Light bends due to spacetime curvature around massive objects, a phenomenon known as gravitational lensing.

What is a geodesic in the context of General Relativity?

A geodesic is the path in spacetime that represents the shortest, or straightest, distance between two points, influenced by gravity.

Describe Einstein's field equations.

Einstein's field equations are a set of ten interrelated tensor equations describing the fundamental interaction of gravitation as a result of spacetime being curved by matter and energy.





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1. What key concept does the General Theory of Relativity introduce?

It introduces the concept that gravity is a curvature of spacetime caused by mass.

Gravity is a force exerted by masses across a distance.

Gravity is the result of subatomic particles interacting.

It describes gravity as an electromagnetic force.

2. Who developed the General Theory of Relativity?

Isaac Newton developed the General Theory of Relativity.

Albert Einstein developed the General Theory of Relativity, publishing it in 1915.

Niels Bohr developed the General Theory of Relativity.

Galileo Galilei developed the General Theory of Relativity.

3. What is the equivalence principle in General Relativity?

It states that energy and mass are equivalent.

The equivalence principle states that gravitational and inertial effects are locally indistinguishable.

It describes how all objects fall at the same rate in a vacuum.

It states that all forces are equivalent at a point in space.

4. How does General Relativity differ from Newton's theory of gravity?

General Relativity describes gravity as a geometric property of space and time, unlike Newton's force-based approach.

General Relativity describes gravity as a magnetic effect.

General Relativity states that gravity does not exist.

There is no difference; both theories are identical.

5. What is a black hole according to General Relativity?

A black hole is an area filled with antimatter.

A black hole is a large mass that exudes light.

A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing, not even light, can escape.

A black hole is a void in space with no mass.

6. How does General Relativity explain the precession of Mercury's orbit?

General Relativity accounts for the precession through the curvature of spacetime near the Sun.

Mercury precesses because it is close to Venus.

The orbit is affected by Mercury's rapid rotation.

Mercury's orbit is elliptical due to Newtonian gravity.

7. What role do tensor equations play in General Relativity?

Tensors create energy in gravitational fields.

Tensor equations describe the gravitational field and how mass and energy interact with spacetime.

Tensors predict solar flares.

Tensors are used to measure temperature changes in spacetime.

8. What is gravitational time dilation?

It is the process where time speeds up in low gravitational fields.

Gravitational time dilation is the effect where time runs slower in stronger gravitational fields.

It describes time reversals in black holes.

Time dilation affects only quantum particles.

9. How was General Relativity confirmed through observation?

The deflection of light by the sun, observed during a solar eclipse in 1919, confirmed General Relativity.

Directly measuring spacetime curvature near Jupiter confirmed it.

Einstein's measurements of falling objects in vacuum confirmed it.

Radar waves bounced off the Moon confirmed it.

10. What is the cosmological constant?

The cosmological constant describes friction in cosmic expansion.

It's a value in string theory for predicting particle behavior.

The cosmological constant was introduced by Einstein to achieve a static universe, later associated with dark energy and universal expansion.

A constant used in calculating planetary mass.

11. How does GPS technology relate to General Relativity?

It solely uses kinetic energy equations for accuracy.

GPS measures only gravitational lensing.

GPS satellites adjust for differences in time experienced in Earth's gravitational field compared to the satellites' orbit.

GPS bases its calculations on solar activity.

12. What is frame dragging?

It is the process of objects moving in a straight line in space.

Frame dragging is an effect where a massive rotating body 'drags' spacetime around with it.

Frame dragging causes oscillations in Earth's orbit.

It refers to dragging heavy equipment in space labs.

13. How does the bending of light occur in General Relativity?

Light bends due to spacetime curvature around massive objects, a phenomenon known as gravitational lensing.

Light bends because of magnetic fields around planets.

The bending occurs due to changes in light's intrinsic properties.

Light's velocity decreases near heavier bodies, causing it to bend.

14. What is a geodesic in the context of General Relativity?

A fictional path used in theoretical models.

A geodesic is the path in spacetime that represents the shortest, or straightest, distance between two points, influenced by gravity.

A route mapped by ancient geographers.

A calculation method for mapping interstellar travel.

15. Describe Einstein's field equations.

They explain how objects maintain orbit in space.

These are equations describing electromagnetic frequencies in vacuum.

Einstein's field equations are a set of ten interrelated tensor equations describing the fundamental interaction of gravitation as a result of spacetime being curved by matter and energy.

Mathematical solutions for parallel universe theory.