10. When a pressure of 100 atmosphere is applied on a spherical ball, then its volume reduces to 0.01%. The bulk modulus of the material of the rubber in  dyne/cm² is

(a) 10×10¹²                                  (b) 100×10¹²           

(c) 1×10¹²                                  (d)  20×10¹²       

Answer- b

(2)