A solid sphere of radius R when taken to a depth of 100 m in water gets compressed so that its radius decreases by 0.1%. The value of bulk modulus of the material of the sphere is
(density of water = 103 kg m-3; g = 10ms-2)
(1) 105 Nm-2
(2) 1/3 x 109 Nm-2
(3) 109 NM-2
(4) 4/3 x 109 NM-2