Two concentric spherical shells `A` and `B` of radii `R` and `2R` and mases `4M`, and `M`, respectively are placed in space as shown in Fig. The gravitational potential at `P` at a disatnce `r(R lt r lt 2R)`from the centre of shells is

Two concentric conducting shells of radii R and 2R are having charges Q and -2Q respectively.In a region r

Two concentric spherical shells of masses and radii m_(1), r_(1) and m_(2), r_(2) respectively are as shown. The gravitational field intensity at point P is

Two concentric spherical shells of masses and radii m_(1), r_(1) and m_(2), r_(2) respectively are as shown. The gravitational field intensity at point P is

Two isolated, concentric, conducting spherical shells have radii R and 2R and uniform charges q and 2q respectively. If V_1 and V_2 are potentials at points located at distances 3R and R/2 , respectively, from the centre of shells. Then the ratio of (V_2/V_1) will be

Two isolated concentric conducting spherical shells have radii R and 2R and uniform charges q and 2q respectively.If V_(1) and V_(2) are potentials at points located at distances 3R and (R)/(2) respectively from the centre of shells.Then the ratio of ((V_(2))/(V_(1))) will be

Two concentric shells have masses M and m and their radii are R and r , respectively, where R gt r . What is the gravitational potential at their common centre?

Two concentric shells have masses M and m and their radii are R and r , respectively, where R gt r . What is the gravitational potential at their common centre?

The figure represents two concentric shells of radii R_(1) and R_(2) and masses M_(1) and M_(2) respectively. The gravitational field intensity at the point A at distance a (R_(1) lt a lt R_(2)) is

The figure represents two concentric shells of radii R_(1) and R_(2) and masses M_(1) and M_(2) respectively. The gravitational field intensity at the point A at distance a (R_(1) lt a lt R_(2)) is

Two concentric spherical conducting shells of radii r and R (r lt R ) carry charges q and Q respectively . The two shells are now connected by a conducting wire. The final charge on the inner shell is