In a hand operated liquid sprayer the liquid from the container rises to the top of the tube because of:

Question

In a hand operated liquid sprayer (figure shown below) the liquid from the container rises to the top of the tube because of:

      (a) Capillary effect

      (b) Suction produced by the piston during the backward stroke

      (c) suction produced by the piston during the backward stroke

      (d) Pumping of the air into the container