Home
Class 12
PHYSICS
A stream of charged particles enters int...

A stream of charged particles enters into a region with crossed electric and magnetic fields as shown in the figure. On the other side is a screen with a hole that is right on the original path of the particles

A

No particle can get through the hole

B

All particles can get through the hole

C

Only positively charged particles with speed EB/ can get through the hole

D

All particles with speed E/B can get through the hole

Text Solution

Verified by Experts

The correct Answer is:
C
Use `q (vecV + vecB) + qE = 0`
Promotional Banner

Similar Questions

Explore conceptually related problems

If a charged particle goes unaccelerated in a region containing electric and magnetic fields,

Force acting on a moving charged particle in a region of electric and magnetic fields is called

Motion of charged particle in combined electric & magnetic field

A particle enters the region of a uniform magnetic field as shown in figure. The path of the particle inside the field is shown by dark line. The particle is :

A charged particle enters a uniform magnetic field perpendicular to it. The magnetic field

A charged particle moves undeflected in a region of crossed electric and magnetic fields. If the electric field is switched off, the particle has an initial acceleration a . If the magnetic field is switched off, instead of electric field, the particle will have an initial acceleration

A charged particle entering magnetic field obliquely will describe a path

A wide region of space has curved magnetic field lines as shown in the figure. A proton enters into the region as shown. Draw the path of the proton.