Question

Electron and proton having masses me and mp respectively enter the region of uniform,
perpendicular magnetic field with same velocity. The ratio of their circular paths inside
the field is

Answer 1

Answer:

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Explanation:

An electron and a proton of equal linear momentum enter in the direction perpendicular to uniform magnetic field. If the radii of their circular paths be r

e

and r

p

, respectively, then

r

p

r

r

is equal to m

e

= mass of electron, m

p

= mass of proton.