A slightly divergent beam of charged particles, accelerated by a potential difference V propagates from a point A on the axis of a long solenoid. The beam is focussed at a distance l from A by two magnetic induction values B1 and B2 one after another. Find the specific charge q/m of the particles.
I went through the solution of this question My doubt is:
Here it is agreeable that for B1 we take l=nx(pitch) but for B2 why do we take l=(n+1)x(pitch)?
Here don’t we need to know out of B1 and B2 which is greater and also that if B2 is greater the why (n+1)xpitch only? Here what does one after the other imply?
A slightly divergent beam of charged particles, accelerated by a potential difference V propagates from a point A on the axis of a long solenoid. The beam is focussed at a distance l from A by two magnetic induction values B1 and B2 one after another. Find the specific charge q/m of the particles.
I went through the solution of this question My doubt is:
Here it is agreeable that for B1 we take l=nx(pitch) but for B2 why do we take l=(n+1)x(pitch)?
Here don’t we need to know out of B1 and B2 which is greater and also that if B2 is greater the why (n+1)xpitch only? Here what does one after the other imply?