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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: - The radius of the first orbit of the hydrogen atom is a₀. The radius of the second orbit
- If a body travels half the distance with velocity v1 and the next half with velocity v2
- The transition from the state 3 n = 3 to n = 1 in a hydrogen like atom results
- In electromagnetic wave, according to Maxwell, changing electric field gives
- The velocity of electromagnetic radiation in a medium of permittivity ε₀
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The radius of the first orbit of the hydrogen atom is a₀. The radius of the second orbit
- If a body travels half the distance with velocity v1 and the next half with velocity v2
- The transition from the state 3 n = 3 to n = 1 in a hydrogen like atom results
- In electromagnetic wave, according to Maxwell, changing electric field gives
- The velocity of electromagnetic radiation in a medium of permittivity ε₀
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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