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A proton and an -particle (with their masses in the ratio of 1:4 and charges in the ratio of 1:2) are accelerated from rest through a potential difference V. If a uniform magnetic field (B) is set up perpendicular to their velocities, the ratio of the radii rp :  of the circular paths described by them will be:

a.

1:

b.

1:2

c.

1:3

d.

1:



Question ID - 50646 | SaraNextGen Top Answer

A proton and an -particle (with their masses in the ratio of 1:4 and charges in the ratio of 1:2) are accelerated from rest through a potential difference V. If a uniform magnetic field (B) is set up perpendicular to their velocities, the ratio of the radii rp :  of the circular paths described by them will be:

a.

1:

b.

1:2

c.

1:3

d.

1:

1 Answer
127 votes
Answer Key / Explanation : (a) -

KE = q V

r =

r  

 =

127 votes


127