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0 votes
32.6k views
in Physics by (36.3k points)

Photon with kinetic energy of 1MeV moves from south to north. It gets an acceleration of 1012 m/s2 by an applied magnetic field (west to east). The value of magnetic field : (Rest mass of proton is 1.6 × 10–27 kg) :

(1) 71mT

(2) 7.1mT

(3) 0.071mT

(4) 0.71mT

2 Answers

+1 vote
by (51.9k points)
selected by
 
Best answer

Answer is (4) 0.71 mT

= 0.71 × 10-3T

So 0.71 mT

+1 vote
by (33.0k points)

Answer is (4) 0.71mT

a = qvB/m

= 0.71 mT

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