Questions

During convection, cool and dense air falls through the warmer and less dense air. The warm air having less mass is being displaced by the cooler which is much heavy. Convection always involves the air rising through the atmosphere.

Windows NT uses protection mechanism called rings provides by the process to implement separation between the user mode and kernel mode.

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.

Zakir Hussain is best known for the instrument Tabla.

Bundu Khan is known for Sarangi

P. Mani Iyer is known for Mridangam

Ravi Sankar is known for Sitar