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Recent questions tagged telegram-5093
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(chatquestion)...(d) none of these 2. When an atomic gas or vapour is excited at low pressure, by passingan electric current through itthen (a) emission spectrum is observed (b) absorption spectrum is observed (c) band spectrum is observed (d) both (b) and (c)...(Plz answer)
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telegram-5093
asked
Feb 22, 2020
by
balaji.thirumalai
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