Questions

The principal quantum number is the property of an electron which determines the energy of electron and the distance of electron from the nucleus of an atom.

A Donut or Doughnut. Anything in the shape of a torus.

In Germany, Kaiser means 'Emperor'. On 18th January, 1871 Wilhelm I was declared as Kaiser of Germany.

MAC - Media Access Control, address is a globally unique identifier assigned to network devices, and therefore it is often referred to as hardware or physical address.

MAC addresses are 6-byte (48-bits) in length, and are written in MM:MM:MM:SS:SS:SS format.

India’s fastest indigenous train Train18, which will run from Delhi to Varanasi, named as Vande Bharat Express.

A seconds pendulum is a pendulum whose period is precisely two seconds i.e, one second for a swing in one direction and one second for the return swing.