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A beam of protons enters a uniform magne...

A beam of protons enters a uniform magnetic field of 0.3T with velocity of `4xx10^5m//s` in a direction making an angle of `60^(@)` with the direction of magnetic field. The path of motion of the particle will be

A

circular

B

Straight line

C

Spiral

D

helical

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The correct Answer is:
D
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RESONANCE-MAGNETIC FIELD AND FORCES-Exercise
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