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NEETPhysicsGravitation

Two concentric spherical shells of non-zero masses are as shown in the figure :- ( array |c|l|c|l| & 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) & Data insufficient array )

Options

  1. A(A) ( ) P; (B) ( ) Q; (C) ( R ); (D) ( S )
  2. B(A) ( ) Q; (B) ( ) T; (C) ( R ); (D) ( S )
  3. C(A) ( ) P; (B) ( ) Q; (C) ( ) S; (D) ( R )
  4. D(A) ( ) Q; (B) ( ) P; (C) ( ) S; (D) ( R )

Correct answer

B. (A) ( ) Q; (B) ( ) T; (C) ( R ); (D) ( S )

Step-by-step solution

(A) ( U _ A =- Gm ₁ r ₁ - Gm ₂ R ₂ ; U _ B =- Gm ₁ r ₂ - Gm ₂ r ₂ U _ A I_A aligned )

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