The force that a neutron exerts on a proton inside an atom is:

Weight of an object on the moon is ______ the weight of the object on earth.

The two richest Ecozones of India are 

___ elements have the largest atoms.

Atmospheric temperature increasing at the higher altitudes is called 

Which one of the following elements exhibits the greatest tendency to lose electrons? 

The planet which has the highest surface temperature is 

The playing time (in seconds) of the full version of Indian National Anthem is