RELATIVITY: Effects of Gravitational

Fields on the Propagation of

Light

WARPING OF SPACE AND TIME

Light is deflected in the prescence

of massive bodies

LIFE DEFLECTION

= GRAVITATIONAL TIME

GRAVITATIONAL REDSHIFT

Increase in wave lenght of light

preceeding outward from a massive force

GRAVITATIONAL LENSING

Effect of gravitational on the bending of

light

PRECESSION OF PERIHELION

The closest example is the

planet Mercury.

MERCURY

It is the most body affected by the

gravitational field of the sun

FINDING ON GENERAL THEORY

Light is bent in gravitational field

FINDING ON GENERAL THEORY

Gravitational red shift – Gravity causes time to

slow down

FINDING ON GENERAL THEORY

Explanation of the advance of the

perihelion(Mercury)

FINDING ON GENERAL THEORY

The effect of gravity and acceleration are

therefore indistinguishable from

each other

FINDING ON GENERAL THEORY

Black Hole----dead star that has

intense gravity and great density

Bottomless field

QUIZ:

1. What is the most affected body of gravitational field?

2. Precession of perihelion is closed seen in the planet?

3. Gravitational bending of light is also known as:

4. Light is only deflected by the presence of? 5-7.Black Hole is a ____ star that has _______

gravity and _____ density 8. According to the equivalence principle, an

upwardly accelerating reference frame is equivalent to a ________ gravitational field

9-10. Draw the illustration of gravitational lensing in the stars.

QUIZ(WITH ANSWERS):

1. What is the most affected body of gravitational field? mercury

2. Precession of perihelion is closed seen in the planet? mercury

3. Gravitational bending of light is also known as: gravitational lensing

4. Light is only deflected by the presence of? Massive bodies

5-7.Black Hole is a dead star that has intense gravity and great density

8. According to the equivalence principle, an upwardly accelerating reference frame is equivalent to a downward gravitational field

9-10. Draw the illustration of gravitational lensing in the stars.