122 An alpha particle is accelerated to a velocity in a particle accelerator by a…
PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
122 An alpha particle is accelerated to a velocity v in a particle accelerator by a potential difference of 1200 V . Which of the following potential differences would be needed to give the alpha particle twice the velocity?
(A) 4800 V
(B) 4100 V
(C) 2400 V
(D) 1700 V