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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A slightly divergent beam of charged particles accelerated by a Potential difference B propagates from a point A along the axis of solenoid. The beam is brought into focus at a distance l from the point A at two successive values of magnetic induction B1 and B2 . If the specific charge q/m of the particles

A slightly divergent beam of charged particles accelerated by a Potential difference B propagates from a point A along the axis of solenoid. The beam is brought into focus at a distance l from the point A at two successive values of magnetic induction B1 and B2 . If the specific charge q/m of the particles

A rectangular loop PQRS made from a uniform wire has length a which remains hinged along a horizontal line taken as the y-axis (see figure). Take the vertically upward direction as the z-axis. A uniform magnetic field B = (3iˆ+4kˆ)B0 exists in the region. width b and mass m. It is free to rotate about the arm PQ