How many additional train trips will Indian Railways

Among the following materials, which is not an insulator?

Panchayat was added to our constitution through which amendment? 

Water gets cooled, when ice is immersed in it. It is because of the phenomenon of

A simple microscope consists of :

Which medium cannot propagate sound waves?

 Photovoltaic cells are: 

What is termed as 'mechanical energy' in physics?

What is the power of a lens whose focal length is 1 m?

A storm is predicted if atmospheric pressure:

What term describes the resistance of an object to changes in its state of motion or rest?