Which among the following is a vector quantity?

When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are

The separation of cream from milk by churning is due to 

The density of milk can be obtained by the use of – 

What is measured in cusecs?

Which set of conditions represents the easiest way to liquefy agas? 

The substance which conducts current in the solid state is –

Gamma rays can cause