ice is cold
the pressure on the ice due to skate raises its melting point
the pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water
the surface of ice is smooth
Slip rings are usually made of
Small bubbles are perfectly spherical as of
Soap bubbles show multiple colours when viewed in white light because of
Sodium vapour lamps glow with yellow colour. This is due to
SOFAR is a phenomenon which plays an important role in submarine warfare & also knownas deep sound channel. Which of the following is correct full form of SOFAR?
Solar Cell converts
Solar cells work on the principle of
Solar eclipse will take place when
Solar energy is due to
Solids have definite shapes.This is because