The moving proton and 
particle are subjected to the same magnetic field so that the radii of their paths are equal to each other. Assuming the field induction B is perpendicular to the velocity vector of the 
-particle and proton, the ratio of de-Broglie wavelength of α-particle to that of proton is
A
1/4
B
C
1
D
2
Text Solution
Verified by ExpertsThe correct answer is:
B
or 
de-Broglie wavelength, 
so 
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