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In the phenomenon of electric discharge through gases at low pressaure the coloured glow in the tube appears due to1 excitation of electrons in atoms2collison between the atoms of the gas3collison between the charged particles emitted from the cathode and atoms of the gas4collison between different electrons of the atoms of the gasi think ans should be 3 am i correct please tell me rates assured please dont guess

Simran Bhatia , 11 Years ago
Grade 11
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