Ingia
WAEC - Physics (2007 - No. 42)
If a gas is excited by high voltage to produce a discharge and the light is examined in a spectrometer
an explosion is observed
the rainbow colours are seen
an emission spectrum is observed
dark lines are observed
Maoni (0)
Ingia Ili Kutoa Maoni
Tangazo
Ruhusu javascript kupakia vizuri ukurasa huu