A symmetrical lamina of mass M consists of a square shape with a (semi-figure). The side of the square is 2 a . The moment of inertia of the lamina about an axis through its centre of mass and perpendicular to the plane is 1.6 Ma^2. The plane of the lamina about the tangent AB in the plane of the lamina is

Q: A symmetrical lamina of mass M consists of a square shape with a (semi-figure). The side of the square is 2 a . The moment of inertia of the lamina about an axis through its centre of mass and perpendicular to the plane is 1.6 Ma2. The plane of the lamina about the tangent AB in the plane of the lamina is

Numerical

(a) 3.6 ma2

(b) 4.2 ma2

(c) 4.8 ma2

(d) 5.4 ma2

Ans: (c)