UPSC Physics- Force of Gravity, Solids and Fluids Set 2

If a gas is heated at constant pressure its isothermal compressibility

A liquid is flowing in a streamlined manner through a cylindrical pipe. Along a section containing the axis of the pipe, the flow profile will be :

For which one of the following is capillarity not the reason?

In scuba-diving, while ascending towards the water surface, there is a danger of bursting the lungs. It is because of 

The specific gravity of a substance is measured by a hydrometer at the sea level. If the measurement is done at the top of a mountain, what would be the specific gravity?

A block of ice is floating in a beaker containing liquid of specific gravity greater than one. When ice melts completely what happens to the level of liquid in the beaker?

Assertion [A]: With the increase of temperature, the viscosity of glycerine increases.
Reason [R]: Rise of temperature increases kinetic energy of molecules.

Three identical vessels A, B and C are filled with water, mercury and kerosene respectively up to an equal height. The three vessels are provided with identical taps at the bottom of the vessels. If the three taps are opened simultaneously, then which vessel is emptied first?

Consider the following statements: 
1. If there were no phenomenon of capillarity it would be difficult to use a kerosene lamp
2. one would not be able to use a straw to consume a soft drink
3. the blotting paper would fail to function
4. the big trees that we see around would not have grown on the Earth
Which of the statements given above are correct?

Raw mangoes shrivel when pickled in brine. The phenomenon is associated with