the scattering of light by thin films
the characteristic colours of soap solution
the dispersion of light
the interference of the reflected light
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
Solids which conduct electricity at higher temperature but not at lower temperature are called
Sound becomes hazardous noise pollution at decibels?
Sound cannot pass through