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Two particles X and Y having equal charges, after being accelerated through the same potential difference, enter a region of uniform magnetic field and describes circular path of radius R1 and R2, respectively. The ratio of mass of X to that of Y is

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a
R1R22
b
R2R1
c
R2R12
d
R1R2

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detailed solution

Correct option is A

r= 2mkqB =1B 2mVq ⇒  r  ∝  m ⇒ m1m2= R1R22


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