Particle Accelerators - exam practice
Particle Accelerators
Question 1 of 6
1 of 6
Electric and magnetic fields can be used in particle accelerators.
Which row in the table correctly describes the use of electric and magnetic fields in the particle accelerator indicated?
| Particle accelerator | Magnetic Field | Electric Field |
|---|---|---|
| cyclotron | not used | used to accelerate particles |
| cyclotron | used to accelerate particles | used to accelerate particles |
| linac | used to accelerate particles | not used |
| linac | used to accelerate particles | used to accelerate particles |
Question 2 of 6
2 of 6
The tubes of a linear accelerator (linac) get progressively longer down its length because
Question 3 of 6
3 of 6
As a particle accelerates in a linac, it passes through drift tubes of increasing lengths.
This is so that
Question 4 of 6
4 of 6
A positron enters a particle accelerator. As it emerges from the accelerator its mass is measured to be 3.8 x 10^-29^ kg.
It can be concluded that the positron
Question 5 of 6
5 of 6
A particle detector shows tracks produced by two particles X and Y that were created by the decay of a lambda particle at O.
Which of the following is a valid conclusion from these facts?
Question 6 of 6
6 of 6
A particle detector shows tracks produced by two particles X and Y that were created by the decay of a lambda particle at O.
Which of the following is a correct statement about energy at the decay?