AP Relativity Review

Question 1

Which of the following was not predicted by General Relativity?

Accepted Answer

all of the above were predicted by General Relativity

Question 2

An astronaut goes on a ship at 0.9c and returns to Earth. If 4 years pass for him, about how much time passes on Earth?

Accepted Answer

9 years

Question 3

How many dimensions do humans perceive?

Accepted Answer

4

Question 4

What experimental evidence is there for relativistic effects?

Accepted Answer

tests verify time dilation but not length contraction

Question 5

Which location would have clocks running faster than Avon CT?

Accepted Answer

the moon, Mt Everest

Question 6

What was going on before the Universe began?

Accepted Answer

ridiculous question, time began with the Universe, and ends when it does

Question 7

Due to relativity, a child could be biologically older than its parent.

Accepted Answer

True

Question 8

What is in Modern Physics?

Accepted Answer

quantum mechanices, relativity, relativistic quantum mechanics

Question 9

How is Special Relativity different from General Relativity?

Accepted Answer

special is easier, general includes acceleration

Question 10

At what speed do the effects of Relativity become "significant"?

Accepted Answer

one tenth the speed of light

Question 11

This was when Einstein became the world's most famous scientist

Accepted Answer

1919 General Relativity confirmed by solar eclipse

Question 12

The laws of physics are the same for all non accelerated frames of reference. No frame is preferred. This is known as

Accepted Answer

The First Postulate of Special Relativity

Question 13

Mass can only turn into

Accepted Answer

mass or energy

Question 14

Which of the following is true for the Lorentz Factor (also known as Gamma)?

Accepted Answer

it's always greater than or equal to one, it doesn't have any units, when v=0, it is equal to one

Question 15

During Interstellar, why did every hour on the water planet correspond to seven years back on Earth?

Accepted Answer

general relativity

Questions 15