Thermal Properties of Matter — Physics STD 11 Science — Question

We often say, "A current is going through the wire." What goes through the wire, the charge or the current?

When a particle moves with constant velocity, its average velocity, its instantaneous velocity and its speed are all equal. Comment on this statement.

When the skeleton of an elephant and the skeleton of a mouse are prepared in the same size, the bones of the elephant are shown thicker than those of the mouse. Explain why the bones of an elephant are thicker than proportionate. The bones are expected to withstand the stress due to the weight of the animal.

What is the inter-atomic force in solids?

Answer the following questions:

What is the frequency of oscillation of a simple pendulum mounted in a cabin that is freely falling under gravity?

What is Poisson's ratio?

Write Poisson's formula for the rate of fluid flow in a capillary.

At what temperature do the Kelvin and Celsius scales coincide?

Explain why
When we try to close a water tap with our fingers, fast jets of water gush through the openings between our fingers.