Concept explainers
To Choose:The correct option.
Answer to Problem 6STP
The correct option is (C).
Explanation of Solution
Given:
Radius of the circular path is
The strength of the magnetic field is
The mass of the individual proton is
Formula used:
The expression for magnetic force on the proton is
Here,
Calculation:
Since the magnetic field is perpendicular to the velocity of the beam, then the angle between velocity and the field should automatically be
Substitute
When a proton beam is moving in a circular path, then the centripetal force can be expressed as
Here,
Since the necessary centripetal force is provided by the magnetic field, therefore,
Rearranging the equation for speed
Substitute
Conclusion:
Hence, the required speed of the proton is
Chapter 26 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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