If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is________?

The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be________?

Sunlight________?

What refers to the goods and services that are required to support human life, needs and activities?

The phenolic compounds in public water supply should not be more than________?

The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately________?