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JEE Main 9 Jan 2019 Shift 2 Solved Paper

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Question : 30

Total: 90

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 chargeof electron = 1.6 × 10–19 C)

2.0 × 10–24 kg
1.6 × 10–19 kg
1.6 × 10–27 kg
9.1 × 10–31 kg

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