A bullet of mass m and charge q is fired towards a solid uniformly charge sphere of radius R and total charge +q. If it strikes the surface of sphere with speed u, find the minimum value of u so that it can penetrate through the sphere. (Neglect all resistance force or friction acting on bullet except electrostatic forces)

A bullet of mass m and charge q is fired towards a solid unifromly charged sphere of redius R and total cbharge + q . If it strikes the surface of sphere with speed u , find the minimum speeed u so that it can penetrate through the sphere , (Neglect all resistance forces or friction acting on bullet except electrositatic forces ) .

A particle of mass m and charge -q moves along a diameter of a uniformly charged sphere of radius R and carrying a total charge +Q . Find the frequency of S.H.M. of the particle if the amplitude does not exceed R .

A particle of mass m and charge -q moves along a diameter of a uniformluy charged sphere of radinus R and carrying a total charge +Q . Find the frequency of S.H.M. of the particle if the amplitude does not exceed .

A positive charge Q is uniformly distributed throughout the volume of a dielectric sphere of radius R. A point mass having charge +q and mass m is fired toward the center of the sphere with velocity v from a point at distance r (r gt R) from the center of the sphere. Find the minimum velocity v so that it can penetrate (R//2) distance of the sphere. Neglect any resistance other than electric interaction. Charge on the small mass remains constant throughout the motion.

A positive charge Q is uniformly distributed throughout the volume of a dielectric sphere of radius R. A point mass having charge +q and mass m is fired toward the center of the sphere with velocity v from a point at distance r (r gt R) from the center of the sphere. Find the minimum velocity v so that it can penetrate (R//2) distance of the sphere. Neglect any resistance other than electric interaction. Charge on the small mass remains constant throughout the motion.

A positive charge Q is uniformly distributed throughout the volume of a dielectric sphere of radius R. A point mass having charge +q and mass m is fired toward the center of the sphere with velocity v from a point at distance r (r gt R) from the center of the sphere. Find the minimum velocity v so that it can penetrate (R//2) distance of the sphere. Neglect any resistance other than electric interaction. Charge on the small mass remains constant throughout the motion.

A particle of mass m and charge -q moves diametrically through a uniformily charged sphere of radius R with total charge Q. The angular frequency of the particle's simple harminic motion, if its amplitude lt R, is given by

A particle of mass m and charge -q moves diametrically through a uniformily charged sphere of radius R with total charge Q. The angular frequency of the particle's simple harminic motion, if its amplitude lt R, is given by

Figure shows a uniformly charged sphere of radius R and total charge Q. A point charge q is situated outside the sphere at a distance r from centre of sphere. Find out the following : (i) Force acting on the point charge q due to the sphere. (ii) Force acting on the sphere due to the point charge.

Figure shows a uniformly charged sphere of radius R and total charge Q. A point charge q is situated outside the sphere at a distance r from centre of sphere. Find out the following : (i) Force acting on the point charge q due to the sphere. (ii) Force acting on the sphere due to the point charge.