Categories > Dual Nature of Radiation and Matter > Cathode Rays and Positive Rays > A beam of electrons is moving with constant velocity in a region having electric and magnetic fields of strength $20\;V{m^{ - 1}}$and 0.5 T at right angles to the direction of motion of the electrons. What is the velocity of the electrons

Dual Nature of Radiation and Matter

Question: A beam of electrons is moving with constant velocity in a region having electric and magnetic fields of strength $20\;V{m^{ - 1}}$and 0.5 T at right angles to the direction of motion of the electrons. What is the velocity of the electrons


1) 20 $m{s^{ - 1}}$
2) 40 $m{s^{ - 1}}$
3) 8 $m{s^{ - 1}}$
4) 5.5 $m{s^{ - 1}}$
Solution: Explanation: No Explanation
Cathode Rays and Positive Rays

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