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CBSE Class 12-science Answered

An electron and a proton having equal momenta enter a uniform magnetic field at right angles to the field lines. What will be the ratio of the radii of curvature of their trajectories?  
Asked by Nareshthakur4321nct | 17 Jan, 2019, 09:24: AM
answered-by-expert Expert Answer
The radius of curvature,
 
r equals fraction numerator m v over denominator B q end fraction m space minus space m a s s v space minus space v e l o c i t y space B space minus space m a g n e t i c space f i e l d q minus space c h a r g e space p equals space m v space left parenthesis m o m e n t u m right parenthesis
 
Momentum for electron and proton are same.
Also B and q are equal. 
Hence, the ratio of radius of curvature for electron (r1) and proton (r2) is,
 
r subscript 1 over r subscript 2 equals 1 colon 1
Answered by Shiwani Sawant | 17 Jan, 2019, 09:48: AM

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