A small block of mass 
and charge 
is released on a long smooth inclined plane of inclination angle of 
, A uniform horizontal magnetic field of 
is acting parallel to the surface, as shown in the figure. The time from the start when the block loses contact with the surface of the plane is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Magnetic force will act is to plane outward
Particle will leave the inclined plane, when 
i.e., 
Time taken to reached at the velocity 
is given by
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