Question

An alpha particle moves with a velocity 4m/s along x axis in uniform magnetic field 2j^ the magnitude of force experienced by it at that instant

Answer 1

25.6 × 10^–19 N

Explanation:

Answer 2

Answer:

Concept :

Force has both a magnitude and a direction since it is a vector quantity. The amount that encapsulates the force's power is known as its magnitude. As an illustration, let's say the force is 10 N in the direction of the east. The direction is indicated by "towards east," while the force itself is measured in "10." Magnitude may be thought of as simply the "value" or "amount" of any physical quantity. It is a scalar quantity at all times.

Explanation:

The force acting on the charged particle placed on magnetic field is given by ,

F = q (v*B)

  = qvB Sin $\theta$

  = 2×1.6×$10^{-19}$×4×2

  = 2.56×$10^{-18}$ N.

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