Positively charged particles are projected into a magnetic field. If the direction of the magnetic field is along the direction of motion of the charge particle, the particles get

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Decelerated

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Delfected

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No changed in velocity

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Solution

The correct option is C No changed in velocity
The direction of magnetic field is along the direction of motion of the charge particles, so angle will be $0^{\circ}$ .
$∴$ Force $F = q v B sin θ$
$= q v B sin 0$
$= 0 (∵ sin 0 = 0)$
So, there will be no change in the velocity.

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Positively charged particles are projected into a magnetic field. If the direction of the magnetic field is along the direction of motion of the charge particle, the particles get

The correct option is C No changed in velocityThe direction of magnetic field is along the direction of motion of the charge particles, so angle will be 0∘.∴ Force F=qvBsinθ=qvBsin0=0(∵sin0=0)So, there will be no change in the velocity.

The correct option is C No changed in velocity
The direction of magnetic field is along the direction of motion of the charge particles, so angle will be $0^{\circ}$ .
$∴$ Force $F = q v B sin θ$
$= q v B sin 0$
$= 0 (∵ sin 0 = 0)$
So, there will be no change in the velocity.