steam is at a higher pressure
steam is at a higher temperature
steam contains more energy than boiling water
steam can penetrate the skin
Seawater (i.e. saltwater) freezes at
Second and third class levers are differentiated by
Section of S.I. What is a unit?
Sending a frame to a group of stations is known as
Sensation of sound persists in our brain for about
Several colours on the screen of a colour television are produced by mixing lights of colours:
Shaving mirror is
Shock-absorbers are usually made of steel as it:
Short sightedness can be corrected by
Short sightedness can be righted by