The Monoenergetic Electron Beam Electron Speed Of  is Subjected To A Magnetic Field Of  normal To The Beam Velocity. What Is The Radius Of The Circular Path Traced By The Beam? Given e/m  forelectron .

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Question

The monoenergetic electron beam electron speed of  is subjected to a magnetic field of  normal to the beam velocity. What is the radius of the circular path traced by the beam? Given e/m  forelectron .

Solution

Correct option is

15 cm

The radius of the circular path is 

                   

              

              

               = 0.15 m 

               = 15 cm.

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