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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The Answer of 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'

In a Certain Mass Spectrograph, an Ion Beam Passes Through