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Two concentric spherical shells are as s...

Two concentric spherical shells are as shown in figure. Match the following columns

`{:(,"Column-I",,"Column-II"),("(A)","Potential at A","(p)","greater than B"),("(B)","Gravitational field at A","(q)","less than B"),("(C)","As one moves from C to D","(r)","Potential remains constant"),("(D)","As one moves from D to A","(s)","Gravitational field decreases"),(,,"(t)","None"):}`

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A, B, C, D
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{:(,"Column I",,"Column II"),((A),"Dimensional variable",(p),pi),((B),"Dimensionless variable",(q),"Force"),((C),"Dimensional constant",(r),"Angle"),((D),"Dimensionless constant",(s),"Gravitational constant"):}

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