A magnetic needle placed in uniform magnetic field has magnetic moment of 2 × 10-2 A m2 , and moment of inertia of 7.2 × 10-7 kg m2 . It performs 10 complete oscillations in 6 s. What is the magnitude of the magnetic field ?

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A magnetic needle placed in uniform magnetic field has magnetic moment of 2 × 10^-2 Am² , and moment of inertia of 7.2 × 10-7 kg m² . It performs 10 complete oscillations in 6 s. What is the magnitude of the magnetic field ?

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The kinetic energy of a particle executing a linear SHM is 16 J, when it is in the mean position. If the amplitude is 25 cm, periodic time of the particle in second is (Mass of the particle = 51.2 g)

A body of mass ‘M’ executes SHM Along x-axis with frequency ‘n’. At a distance x from the mean position, the body has kinetic energy ‘K’ and potential energy ‘P’. The amplitude of oscillation of the SHM is

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