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In the line spectra of hydrogen atom difference between longest and shortest wavelengths of lyman series is 304 A°.the corresponding difference for the paschan series is
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Asked by mr.rockybhai123 | 09 Sep, 2020, 05:49: PM
answered-by-expert Expert Answer
W a v e l e n g t h space o f space t h e space s p e c t r a l space l i n e s space o f space h y d r o g e n space a t o m space i s space g i v e n space b y
1 over lambda equals R open square brackets 1 over n squared subscript f minus 1 over n squared subscript i close square brackets
1 over lambda equals R open square brackets 1 over 1 squared minus 1 over infinity close square brackets
lambda equals 1 over R
S i m i l a r l y space f o r space h i g h e s t space w a v e l e n g t h
1 over lambda equals R open square brackets 1 over 1 squared minus 1 over 2 squared close square brackets
1 over lambda equals R open square brackets 3 over 4 close square brackets
lambda subscript m equals fraction numerator 4 over denominator 3 R end fraction

o n space s o l v i n g space w e space g e t space
1 over R equals 912 A
S i m i l a r l y space w e space c a n space f i n d space t h e space d i f f e r e n c e space b e t w e e n space t h e space m i n i m u m space a n space m a x i m u m space w a v e l e n g t h space f o r space p a s c h e n space a n d space t h e n space u sin g space t h i s space v a l u e space o f space R space w e space c a n space f i n d space t h e space a n s w e r.
Answered by Utkarsh Lokhande | 10 Sep, 2020, 10:21: AM
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