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A beam of protons with a velocity of 4 x...

A beam of protons with a velocity of `4 xx 10 ^5 ms^(-1) `enters a uniform magnetic field of 0.3 T. The velocity makes an angle of `60^@ `with the magnetic field. Find the radius of the helicla path taken by the proton beam and the pitch of the helix. Given that mass of proton ` = 1.67 xx 10^-27kg`

A

1.2 cm

B

2.1 cm

C

2.4 cm

D

4.2 cm

Text Solution

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The correct Answer is:
A
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