Fundamentholfundamenthol
JEE Main2019Physics
Q.

A particle having the same charge as of electron moves in a circular path of radius 0.5 cm under the influence of a magnetic field of 0.5 T. If an electric field of 100 V/m makes it to move in a straight path, then the mass of the particle is (Given charge of electron = 1.6 × 10–19 C) 

  1. A

    9.1 × 10–31 kg 

  2. B

    1.6 × 10–27 kg

  3. C

    1.6 × 10–19 kg

  4. D

    2.0 × 10–24 kg

Solution

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