Thermodynamics — Physics STD 11 Science — Question

What is surface tension and what is its unit?

When an air bubble rises in water, what happens to its potential energy?

Explain why a violin note and sitar note may have the same frequency, yet we can distinguish between the two notes.

Give the geometrical meaning of S.H.M.

What is the effect on the value of potential energy if the height of the object is more or increases from earth's surface?

A gas is kept in a rigid cubical container. If a load of 10kg is put on the top of the container, does the pressure increase?

What is the ratio of the S.I. unit to the CGS unit of angular momentum?

A ladder is at rest with its upper end against a wall and the lower end on the ground. Is the ladder more likely to slip, when a man stands on it at the bottom or at the top? Give reason.

Write the work energy theorem.

Consider the situation described in the previous problem. Suppose the current i enters the loop at the point A and leaves it at the point B. Find the magnetic field at the centre of the loop.