CBSE Class 12 Physics 2020 Outside Delhi Set 2 Paper

Question : 1 of 11

Marks: +1, -0

SECTION - A

An electron and a proton are moving along the same direction with the same kinetic energy. They enter a uniform magnetic field acting perpendicular to their velocities. The dependence of radius of their paths on their masses is :

r∝m
r∝√m
r∝‌
1
m
r∝‌
1
√m

Solution:

(b) r∝√m

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