Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The figure shows a region of length ' 
' with a uniform magnetic field of 
in it and a proton entering the region with velocity 
making an angle 
with the field. If the proton completes 10 revolution by the time it cross the region shown, ' 
' is close to (mass of proton 
, charge of the proton 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
pitch
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