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Question : 34 of 180
Marks:
+1,
-0
Solution:
We know that, wavelength of hydrogen spectrum is given by
‌=R(‌−‌)For minimum wavelength of Lyman series,
‌n1=1‌ and ‌n2=∞∴‌‌‌=R(‌−‌)=R⇒‌‌(λ2)min=‌For minimum wavelength of Balmer series,
‌n1=2‌ and ‌n2=∞‌∴‌‌‌=R(‌−‌)‌=R(‌−0)=‌‌⇒‌‌(λB)min=‌‌∴‌‌‌=‌=‌=0.25‌
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