A raised hammer possesses:

The process of transferring of charge from a charged object to the earth is called ______________.

The width of a mirror is called the mirror?

The separation of cream from milk by churning is due to 

Household appliances based on thermal effect of electric current is-

Seawater can be purified by the process of -

One horse power is equal to how many watts?

Which of the following is false?
Sound waves are _________ waves.