The outer most layer of the Sun is known as 

How many parliamentary sessions does the Lok Sabha conduct annually?

A fluid flows through a horizontal pipe. The pressure drops by 2000 Pa and speed increases from 2 m/s to 4 m/s. Find density.

Which of the following glands is both endocrine and exocrine?

When hard water is evaporated completely, the white solid remains in the container. It may be due to the presence of

1. Carbonates of Ca and Mg

The period of revolution of a geo- stationary satellite is –

Which vitamin is essential for blood clotting?

What do we call sound waves with frequencies below 20 Hz?

What is the law of reflection?