Bhutia is a breed of:

What is the nucleus of a bacterium known as?

If a gas is compressed isothermally,then the r.m.s. velocity of the molecules

$A$ hollow double concave lens is made of very thin transparent material. It can be filled with air or either of two liquids $L_1$ or $L_2$ having refractive indices $n_1$ and $n_2$ respectively $(n_2 > n_1 > 1)$. The lens will diverge a parallel beam of light if it is filled with

The major product of the following reaction is

$A$ given system undergoes a change in which the work done by the system equals the decrease in its internal energy. The system must have undergone an