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A beam of electron passes undeflected through mutually perpendicular electric and magnetic fields. If the electric field is switched off, and the same magnetic field is maintained, the electrons move
Options
(a) in a circular orbit
(b) along a parabolic path
(c) along a straight line
(d) in an elliptical orbit.
Correct Answer:
in a circular orbit
Explanation:
If the electric field switched off, and the same magnetic field is maintained, the electrons move in a ciruclar orbit and electron will travel a magnetic field to its velocity.
Related Questions: - Solar radiation is
- The potential difference that must be applied to stop the fastest photoelectrons
- When the energy of the incident radiation is increased by 20%,
- The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released
- Mass of the nucleons together in a heavy nucleus is
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Solar radiation is
- The potential difference that must be applied to stop the fastest photoelectrons
- When the energy of the incident radiation is increased by 20%,
- The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released
- Mass of the nucleons together in a heavy nucleus is
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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