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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: - A particle of mass 1mg has the same wavelength as an electron moving with a velocity
- A block of mass m is placed on a smooth wedge of inclination θ
- The mirrors are inclined at an angle of 50⁰. The number of images formed for an object
- A body takes 5 minute for cooling from 50⁰C to 40⁰C. Its temperature
- The height of the dam, in an hydroelectric power station is 10 m. In order to generate
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle of mass 1mg has the same wavelength as an electron moving with a velocity
- A block of mass m is placed on a smooth wedge of inclination θ
- The mirrors are inclined at an angle of 50⁰. The number of images formed for an object
- A body takes 5 minute for cooling from 50⁰C to 40⁰C. Its temperature
- The height of the dam, in an hydroelectric power station is 10 m. In order to generate
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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