Time Dilation and Length Contraction (VCE SSCE Physics): Quizzes

📚Quizzes
Time Dilation and Length Contraction
Sign up to keep practising.Create a free account to play more quizzes and track your progress.

Practise the questions

10 questions from this quiz

Show

In the twin paradox, why does Amanda age more than Sophie?

Sophie changes reference frames; Amanda stays in one

What defines proper time (t0t_0)?

Events occur at same point in space

How does dilated time tt compare to proper time t0t_0?

t>t0t > t_0 always

In the light clock, who measures proper time?

The passenger on the rocket

A clock ticks every 0.100 s for crew. At v=0.866cv=0.866c (γ=2\gamma=2), what does Earth observer measure?

0.200 s

At what velocity ratio does special relativity become significant?

vc>0.1\frac{v}{c} > 0.1

What is proper length (L0L_0)?

Length measured when at rest relative to object

How is contracted length LL related to proper length L0L_0?

L=L0γL = \frac{L_0}{\gamma}

What is the net time effect on GPS satellite clocks per day?

Gain 38 μs

A particle decays in 3.44 ps when stationary, 45.2 ps when moving. Which time is proper time?

3.44 ps

Join 100,000+ SSCE students studying Quizzes with us.

Select your subjects, and get access to A+ resources today.