Two spherical shells have masses `m `and `2m` as shows. Choose the correct options.

Two concentric spherical shells have charges +q and -q as shown in figure. Choose the correct options.

Two concentric spherical shells have charges +q and -q as shown in figure. Choose the correct options.

Choose the correct option. N//m^2 is a unit of

A solid sphere of mass M and radius R is surrounded by a spherical shell of same mass M and radius 2R as shown. A small particle of mass m is released from rest from a height h(ltltR) above the shell. There is a hole in the shell. What speed will it collide at B?

A solid sphere of mass M and radius R is surrounded by a spherical shell of same mass M and radius 2R as shown. A small particle of mass m is released from rest from a height h(lt lt R) above the shell. There is a hole inn the shell. QIn what time will it enter the hole at A

A solid sphere of mass M and radius R is surrounded by a spherical shell of same mass M and radius 2R as shown. A small particle of mass m is released from rest from a height h(lt lt R) above the shell. There is a hole inn the shell. QWhat time will it take to move from A to B?

A solid sphere of mass M and radius R is surrounded by a spherical shell of same mass M and radius 2R as shown. A small particle of mass m is released from rest from a height h(ltltR) above the shell. There is a hole in the shell. What time will it take to move from A to B?