Questions

In chemistry, Weak bonds are those forces of attraction that, do not take a large amount of energy to break.

For example, hydrogen bonds are broken by energies in the order of 4 - 5 kcal/mol.

Ionic bonds, hydrogen bonds and van der Waals interactions are considered weak bonds.

Weak bonds are transient and easily reversible.

The process that allows a network to self-repair networks problems. The stations on the network notify the other stations on the ring when they are not receiving the transmissions. Beaconing is used in Token ring and FDDI networks.

i. India’s Virat Kohli was named Wisden’s Leading Cricketer in the World for 2016.

ii. Kohli had also won the prestigious ‘Polly Umrigar award’ presented to the ‘International Cricketer of the Year’ at the BCCI Annual Awards.

iii. Kohli was additionally declared Wisden India Almanack’s Cricketer of the Year for the second time in its 2017 edition.

Prime Minister Narendra Modi has emerged as the most followed world leader on photo-sharing app Instagram with a whopping 6.9 million followers, surpassing US President Donald Trump.