In a Certain Mass Spectrograph, an Ion Beam Passes Through

question 1

Multiple Choice

In a certain mass spectrograph, an ion beam passes through a velocity filter consisting of mutually perpendicular fields and .The beam then enters a region of another magnetic field perpendicular to the beam.The radius of curvature of the resulting ion beam is proportional to:

• A)EB'/B
• B)EB/B'
• C)BB'/E
• D)B/EB'
• E)E/BB'

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Definitions:

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