The constant temperature at which a liquid change into gaseous state is known as 

The diagram above illustrates the graph for 

(a) Derive the dimension of surface tension.

(b) Name the instrument used to measure the force of gravity at a place

(a) State two uses of a polar satellite.

(b) What does the slope of a graph of tensile stress against tensile strain represent?

(a) State the S.I  base unit of the following quantities: (i) a stress, (ii) force constant (iii) Plank's constant