Hydrodynamic pressure due to earthquake acts at a height of
(A) 3H/4 above the base
(B) 3H/4 below the water surface
(C) 4H/3 above the base
(D) 4H below the water surface, where H is the depth of water.
(A) 3H/4 above the base
(B) 3H/4 below the water surface
(C) 4H/3 above the base
(D) 4H below the water surface, where H is the depth of water.