Questions

The phenomenon of change in direction of light when it passes from one medium to another is called

A person holding a pen in his left hand sees his reflection in the mirror holding the pen in his right hand. This is due to which of the following phenomena?

Earth revolves around Sun. Who was the 1st one to present this theory?

______ is the time taken by the earth to return to a given point in its orbit with reference to a fixed star.

Air pollution level is considered to be moderate if Air Quality index between

The First Battle of Panipat in 1526 was fought between the the Lodi Empire and _______.

Alexander the Great was born in ________.

An advantage of the corporate form of business is that