jaspal rautelaWhen we say that a car has a 1150cc engine, what does it means? Why do people keep referring to the cc when looking for good vehicles? Please explain...

In the world we are using automobiles such as bikes,cars,trucks etc., But we have do not aware of the emission from IC Engines.It is actually increasing day by day.It does...

is thrid law of thermodynamics is there ???i think that at absolute temperature entrophy value is zero.3rd law is related about or not ???