Quiz on Special Relativity

What is the speed of light in vacuum as defined in the text?

• 150,000 km/s

• 299,792,458 m/s

• 3 x 10^8 m/s

• 300,000 km/s

Which principle states that the laws of physics are the same in all inertial frames?

• Principle of inertia

• Galilean principle of relativity

• Postulate of simultaneity

• Principle of relativity

What happens to time for observers in different inertial frames according to special relativity?

• Time is absolute

• Time ticks at the same rate

• Time ticks at different rates

• Time does not exist

What is the Lorentz transformation used for?

• To define mass

• To calculate energy levels

• To relate space and time in different inertial frames

• To describe gravitational forces

What is the consequence of the second postulate of special relativity?

• Time is absolute

• Mass is variable

• The speed of light is the same in all inertial frames

• The speed of sound is constant

What does the term 'time dilation' refer to?

• Time moving faster in motion

• Time moving slower in motion

• Time being constant

• Time being irrelevant

What is the relationship between speed and the Lorentz factor?

• It is inversely proportional

• It is quadratic

• It is directly proportional

• It is independent

What did the Michelson-Morley experiment aim to detect?

• The speed of light

• The speed of sound

• The gravitational waves

• The ether wind

What is the result of the twin paradox?

• Both twins age the same

• The traveling twin ages slower

• Both twins age faster

• The stationary twin ages slower

What is the significance of the light cone in relativity?

• It represents gravitational fields

• It defines the speed of sound

• It is irrelevant to physics

• It shows the limits of causality