Chapter 26, Problem 56A

To determine

To Explain:The direction in which the magnetic field is applied to the ionized beam.

Answer to Problem 56A

Themagnetic field is perpendicular to the ionized beam.

Explanation of Solution

The direction of the magnetic field should be perpendicular to the ionized beam. Because when the magnetic field is applied perpendicular to the beam then beam is deflected towered the detector plate and it will follow the semicircle path.

Conclusion:

Hence, the magnetic field is perpendicular to the ionized beam.