is maximum frequency of Lyman series, 
is f minimum frequency Lyman series and 
is maximum frequency of Balmer series. Then match columns:
Column -I | Column - II |
(i) | [A] Greater than |
(ii) | [B] is negative |
(iii) | [C] |
(iv) | [D] is equal to |
Text Solution
Verified by ExpertsCHECK THE SOLUTION.
Ans.
(i) [A]
(ii) [A]
(iii) [B]
(iv) [D]
Sol.
(i) f ∝ 
⇒ f = k 
k = constant.
for f 1
n 1 = 1; n 2 → ∞ ; ∴ f 1 = k
for f 2
n 1 = 1; n 2 = 2
f 2 = 
for f 3
n 1 = 2; n 2 → ∞
f 3 = 
∴ f 1 – f 2 = f 3
(ii) f ∝ 
⇒ f = k 
k = constant.
for f 1
n 1 = 1; n 2 → ∞ ; ∴ f 1 = k
for f 2
n 1 = 1; n 2 = 2
f 2 = 
for f 3
n 1 = 2; n 2 → ∞
f 3 = 
∴ f 1 – f 2 = f 3
[B] is negative
[D] is equal to f 3
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