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Which of the following scientists first discovered helium in the solar spectrum during a total solar eclipse?(a) Lord Rayleigh(b) J N Lockyer(c) William Ramsay(d) Antoine LavoisierThe question was asked in an international level competition.I'd like to ask this question from P-Block topic in section P-Block Elements of Chemistry – Class 12

Answer»

Correct option is (b) J N Lockyer

The best I can explain: J N Lockyer first DISCOVERED helium in the solar SPECTRUM during a TOTAL solar eclipse on 18^th August, 1868. LATER on, in 1895, it was discovered on the planet Earth by a scientist named William RAMSAY.



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