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JEE Main 7 Apr 2025 Shift 1 Paper

Section: Physics
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Question : 30 of 75
 
Marks: +1, -0
A particle of charge q, mass m and kinetic energy E enters in magnetic field perpendicular to its velocity and undergoes a circular arc of radius ( r ). Which of the following curves represents the variation of r with E ?
[7 Apr 2025 Shift 1]
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