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Standard XII

Physics

Nuclear Radius

An α - part...

Question

An $α$ - particle crosses a space without any deflection. If electric field E = 8 x $10^{6}$ V/m and magnetic field is B = 1.6 T, the velocity of particle is

(a) 2.5 x

10^{6}

m/s

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(b) 5 x

10^{6}

m/s

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10^{6}

m/s

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(d) 5 x

10^{7}

m/s

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Solution

The correct option is B (b) 5 x $10^{6}$ m/s

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An α - particle crosses a space without any deflection. If electric field E = 8 x 106 V/m and magnetic field is B = 1.6 T, the velocity of particle is

The correct option is B (b) 5 x 106 m/s

An $α$ - particle crosses a space without any deflection. If electric field E = 8 x $10^{6}$ V/m and magnetic field is B = 1.6 T, the velocity of particle is

The correct option is B (b) 5 x $10^{6}$ m/s