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A proton enters a magnetic field of flux...

A proton enters a magnetic field of flux density 1.5 T with a velocity of `20 xx 10^(7)ms^(-1)` at an angle of 30° with the field. The force on the proton is `[e_(p)=1.6xx10^(-19)C]`

A

`2.4xx10^(-10)N`

B

`2.4xx10^(-11)N`

C

`3xx10^(-5)N`

D

`3xx10^(-4)N`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • A proton moving with a velocity 2 . 5 xx 10^(7) m-s ^(-1) , enters a magnetic field of intensity 2.5 T at an angle 30^(@) with the magnetic field. The force on the proton is

    A
    `3 xx 10^(-12)` N
    B
    `5 xx 10^(-12) `N
    C
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    D
    ` 9 xx 10^(-12)` N

  • A beam of protons enters a uniform magnetic field of 0.314 T with a velocity 4xx10^(5) ms^(-1) in a direction making an angle 60^(@) with the direction of the magnetic field. The path of the beam is (mass of proton = 1.6xx10^(-27) kg)

    A
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    D
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    A
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