NEET 2012 Physics question
An -particle moves in a circular path of radius in the presence of a magnetic field of . The de Broglie wavelength associated with the particle will be
Answer: (1)
Solution
The magnetic force provides the centripetal force: , so the momentum is . For an -particle . 10^{-19}10^{-2}10^{-22}$\ \text{kg
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