A small block of mass m, having charge q, is placed on a frictionless fixed inclined plane making an angle θ with the horizontal. There exists a uniform magnetic field B parallel to the inclined plane but perpendicular to the length of spring. If m is slightly pulled on the incline in downward direction and released, then the time period of oscillations of the block will be (assume$$ that the block does not leave contact with the $$plane)

Question

A small block of mass m, having charge q, is placed on a frictionless fixed inclined plane making an angle θ with the horizontal. There exists a uniform magnetic field B parallel to the inclined plane but perpendicular to the length of spring. If m is slightly pulled on the incline in downward direction and released, then the time period of oscillations of the block will be (assume$$ that the block does not leave contact with the $$plane)

Infinity Learn · Accepted Answer

There will be no effect of magnetic force, because it is perpendicular to the inclined plane

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