9 Questions
| Attempts: 215

Questions and Answers

- 1.Define proper time.
- 2.Define proper length
- 3.A space 100m long space ship travels to planet X which is a distanace of 6E11m from Earth. It travels at 90% of the speed of light. What is the value to 2dp of the Lorentz factor (gamma)
- A.
1.2

- B.
2.3

- C.
3.4

- D.
4.5

- 4.A space 100m long space ship travels to planet X which is a distanace of 6E11m from Earth. It travels at 90% of the speed of light. How long will this journey take according to the observer on the earth?
- A.
1111s

- B.
2222s

- C.
3333s

- D.
4444s

- 5.A space 100m long space ship travels to planet X which is a distanace of 6E11m from Earth. It travels at 90% of the speed of light. Who measures proper time for the journey?
- A.
Observer on the earth

- B.
Pilot of space ship

- C.
Another independent observer

- D.
The cosmic time keeper

- 6.A space 100m long space ship travels to planet X which is a distanace of 6E11m from Earth. It travels at 90% of the speed of light. Calculate the time taken for the voyage according to the pilot of the space ship.
- A.
1111s

- B.
966s

- C.
822s

- D.
733s

- E.
544s

- 7.A space 100m long space ship travels to planet X which is a distanace of 6E11m from Earth. It travels at 90% of the speed of light. Who measures the proper length of the journey from Earth to Planet X?
- A.
Pilot on space ship

- B.
Observer on the Earth

- C.
Independent observer

- D.
Great Galactic time measurer

- 8.A space 100m long space ship travels to planet X which is a distanace of 6E11m from Earth. It travels at 90% of the speed of light. Calculate the distnace from Earth to Planet X according to the travelling spaceship?
- A.
6E11m

- B.
3.31E11m

- C.
2.61E11m

- D.
1.42E11m

- E.
1.21E11m

- 9.Are there any parts of this where you had difficulties, and you need to go over in class?

Teach your kids some fundamentals about time in this Quiz
Teach your kids some fundamentals about time in this Quiz

Want to teach your kid how to read time? This quiz is the key
Want to teach your kid how to read time? This quiz is the key

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